Electronics

DZero is Quarq's next-generation power meter platform for those who live to be challenged, pushed, and tested in the toughest scenarios imaginable. Now Quarq has introduced a DZero spider designed to replace the factory spider on Specialized's S-Works carbon crankset. Quarq DZero for Specialized embodies 10 years of Quarq advances in power meter technology, plus new features such as dual Bluetooth low energy and ANT+ wireless data transfer, revised circuitry, a new strain gauge design and the Qalvin BLE app. You also get AxCad accelerometer cadence, the easy-to-replace CR2032 battery, an IPX7 waterproof rating and a 2-year warranty. Features & Benefits: - Bluetooth low energy technology and ANT+ wireless data transfer - AxCad – no cadence magnet required - 10K Temperature Compensation - Battery – CR2032, 200-hour battery life, change without tools - Power Balance - OmniCal – swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy – within 1.5%, measuring both legs - Free firmware upgrades with the Qalvin app Essential Details: - Traditional 5-arm spider compatible with Specialized S-Works Carbon Road Crank Arms from 2013-Current. - Available in 130 BCD and 110 BCD. - Replaces the standard spider. - A Specialized lockring tool is required for installation.

The Beetle 6 is a larger version of the BiKASE Beetle that has been stretched to accommodate the iPhone 6/6S Plus and other large mobile phones. Storage space underneath phone compartment for energy bar, wallet, keys, or tools. Mounts securely to the top tube using Velcro straps and shock cord around stem. - Pocket fits iPhone 6/6S Plus and other larger smart phones - Clear cover allows device visibility and operation - Mounts to top tube or stem - 2 multi positional straps & shock cord for mounting - Internal lastic stiffener and anti-slip fabric bottom - dual zippers - 8" x 4" x 2"

In certain disciplines, the single-ring drivetrain reigns supreme. Championing simplicity, strength and durability, the SRAM RED 1 AXS power meter meets the demands of triathletes, time trialists and cyclocross racers. The power meter features improved aerodynamics thanks to direct mount aero chainrings with fully integrated power, and the tighter gearing range is perfect for racing and flatter terrains. - Single-ring drivetrain simplifies functionality - 48T and 50T variants have fully integrated power into a direct mount aero chainring - 36-46T variants have spider-based power - Chainrings can be easily changed without requiring recalibration of the power meter - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - DUB bottom bracket adds durability and simplicity - Non-aero chainrings can be installed with a single tool, making gearing changes a breeze - Bottom bracket not included - BB Compatibility: All SRAM Road DUB BBs - BB Spindle Interface: DUB - Chainring material: Aluminum - Crank arm material: Carbon - Power Meter Type: ANT+ and BLE

The Sigma Pure 1 is a purist amongst all bicycle computers. In one easy to read display, it answers the three most important cycling questions: How fast? How far? How long? And it does so in a very compact and attractive design. - Incredibly legible - the Pure 1 has a very large 29 x 45mm display that facilitates reading for everyone; especially those with less than perfect vision - Switch between the trip view and the totals view with just one touch of the button - This sleek design sets new standards when it comes to blending in with the bike

The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm

STAY AWARE OF APPROACHING CARS This rearview radar pairs with your Edge bike computer or compatible smartphone to alert you of vehicles approaching from behind. - Reliable rearview radar lets you ride like you know what’s coming. - One radar. Multiple display options. Pair it with your compatible Garmin device, your phone or both. - Don’t have an Edge or other compatible device yet? No problem. The Varia app has you covered. - It’s small, it’s easy to mount, and it works with just about any bike. - Get more life out of your radar with up to 7 hours of battery life. MAXIMUM AWARENESS - Varia RVR315 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 153 yards (140 meters) away. MULTIPLE PAIRING OPTIONS - This radar works seamlessly with your Edge bike computer or compatible smartphone as well as select Garmin wearables. WORKS WITH THE VARIA APP - This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — to indicate the position and speed of approaching cars. THIRD-PARTY APP COMPATIBLE - When used with a compatible smartphone, Varia radar integrates with your favorite apps, such as Ride with GPS to overlay your maps with rearview radar alerts. COMPACT DESIGN - Easily mount this sleek, compact device on the seatpost of almost any road-use bicycle. The vertical design allows for better leg clearance and a perfectly comfortable ride. BATTERY LIFE - Time spent charging is not as good as time spent riding. Get up to 7 hours of battery life. In the box: - RVR315 - Mounting hardware - Power cable - Documentation

The Garmin Edge 1030 is the ultimate GPS bike computer with navigation and connected features. - 3.5-inch bike computer with comprehensive navigation, performance and cycling awareness features - Trendline popularity routing uses billions of miles of Garmin Connect ride data to show the best on- and off-road routes - Preloaded Garmin Cycle Map provides turn-by-turn directions and new navigation alerts - New rider-to-rider messaging lets you stay in contact with other cyclists in your group - Challenge yourself every ride with newly updated preloaded Strava Live Segments feature - Battery life: up to 20 hours, extendable up to 40 hours with the optional Garmin Charge power pack General Specs: - Physical dimensions: 58 x 114 x 19 - Weight: 123 g - Water rating: IPX7 - Battery: rechargeable lithium-ion - Touchscreen - Display size: 3.5" (88.9 mm) - Display resolution: 282 x 470 pixels - Color display - Battery life: up to 20 hours In The Box: - Edge 1030 - Mounts (standard and extended out-front) - USB cable - Tether - Manuals

Make every ride count with Edge 130 Plus. Never stop cycling with this compact GPS bike computer. Whether you ride to explore new trails or to save the planet in your daily commute, go with Edge 130 Plus. - No more excuses. Wirelessly sync workouts right to your Edge device. - Are we there yet? The ClimbPro feature helps you gauge your effort on a hilly route. - Know where to go. Thanks to easy-to-follow navigation with turn prompts. - Extra awareness and incident detection. Peace of mind for you and your fans back home. - Stay in touch while you’re on your bike with a variety of connected features. - Get more from every charge — up to 12 hours of battery life in GPS mode. In the box: - Edge 130 Plus - Standard Mount - USB cable - Tether - Documentation

The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet-less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy. - Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers. - No tangled wires on your bike to connect the sensor to your device. - It only weighs 7 grams! - Provides accurate cadence data during your ride - (1) mount with double sided 3M tape, or (2) use the silicone sleeve and mount with zip ties. - The RPM can be worn on your shoe for spin classes or use with multiple bikes - Two LED lights show the sensor's device connection (blue) and cadence detection (red) - No charging required! Operates on a coin cell battery for up to 1 years. - RPM cadence sensor will fit with most bikes and frame sizes

There are 7 days in a week. And the fenix 7S Solar multisport GPS watch is built to go strong for all of them. It's styled for smaller-sized wrists. And its Power Glass solar charging lens gives it the battery life to sustain a whole array of athletic and outdoor features. Use trusted button controls or the new touchscreen interface to access selections. Gain performance insights and metrics that help you manage your exertion and build stamina. Optimize recovery with 24/7 health and wellness monitoring of heart rate, respiration, stress, sleep and more (this device is intended to give an estimation of your activity and metrics; it is not a medical device). GPS and outdoor navigation sensors guide your outings off the beaten path. And to complement your tamer days, connected features include smart notifications when connected to a compatible smartphone, music storage and Garmin Pay contactless payments in supported countries and payment networks.

The Garmin Forerunner 935 is a premium GPS running/triathlon watch with wrist-based heart rate. - Offers advanced running and multisport features in a comfortable watch you can wear all day, and it only weighs 49 grams - Provides elevation changes with a built-in barometer; altimeter and electronic compass help you keep your bearings - Evaluates your training status to indicate if you’re undertraining or overdoing it and offers additional performance monitoring features - Provides advanced dynamics for running, cycling and swimming, including ground contact time balance, stride length, and more - Battery life: up to 2 weeks in watch mode, up to 24 hours in GPS mode, up to 50 hours in UltraTrac mode (with wrist-based heart rate), or up to 60 hours in UltraTrac mode (without wrist-based heart rate) General Specs: - Lens Material: chemically strengthened glass - Bezel Material: fiber-reinforced polymer - Case material: fiber-reinforced polymer - QuickFit watch band compatible: yes (22 mm) - Strap material: silicone - Physical size: 47 x 47 x 13.9mm - Weight: 49g - Water rating: 5 ATM - Display type: sunlight-visible, transflective memory-in-pixel (MIP) - Display size: 1.2" (30.4 mm) diameter - Display resolution: 240 x 240 pixels - Color display - Battery life: Smartwatch Mode: Up to 2 weeks; GPS/HR mode: Up to 24 hours; UltraTrac mode: Up to 60 hours without wrist heart rate - Memory/History: 64 MB In the Box: - Forerunner 935 GPS watch - Charging cable - Manuals

Performance GPS Cycling Computer with Mapping - Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more - Cycling safety features include new bike alarm, group messaging and tracking, incident detection and compatibility with Varia rearview radar and lights so you can see and be seen - Includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus off-course recalculation and back to start; mountain biking model has integrated Trailforks data, including trail difficulty ratings - Customize with free apps, widgets and data fields from the Connect iQ Store - MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time - Battery life: up to 20 hours with GPS; extendable up to 40 hours with the optional Garmin Charge power pack or in battery save mode Who cares that the Edge 530 cycling computer offers dynamic performance monitoring and insights to help you improve? You do. So, whether you’re a podium finisher, Kona qualifier, gravel grinder, straight-shaven, urban pedaler, dirt ball or somewhere in between, Edge 530 is ready to roll as your new riding partner.

Performance GPS Cycling Computer with Mapping - Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more - Cycling safety features include new bike alarm, group messaging and tracking, incident detection and compatibility with Varia rearview radar and lights so you can see and be seen - Includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus off-course recalculation and back to start; mountain biking model has integrated Trailforks data, including trail difficulty ratings - Customize with free apps, widgets and data fields from the Connect iQ Store - MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time - Battery life: up to 20 hours with GPS; extendable up to 40 hours with the optional Garmin Charge power pack or in battery save mode In The Box - Edge 530 - Standard mount - Mountain bike mount - Edge remote - Silicone case - Speed sensor - Tether - USB cable - Documentation

Performance GPS Cycling Computer with Mapping - Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more - Cycling safety features include new bike alarm, group messaging and tracking, incident detection and compatibility with Varia rearview radar and lights so you can see and be seen - Includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus off-course recalculation and back to start; mountain biking model has integrated Trailforks data, including trail difficulty ratings - Customize with free apps, widgets and data fields from the Connect iQ Store - MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time - Battery life: up to 20 hours with GPS; extendable up to 40 hours with the optional Garmin Charge power pack or in battery save mode Who cares that the Edge 530 cycling computer offers dynamic performance monitoring and insights to help you improve? You do. So, whether you’re a podium finisher, Kona qualifier, gravel grinder, straight-shaven, urban pedaler, dirt ball or somewhere in between, Edge 530 is ready to roll as your new riding partner. In The Box Device Only - Edge 530 - Standard mount - Flush out-front mount - Tether - USB cable - Documentation Sensor Bundle - Edge 530 - Standard mount - Flush out-front mount - Speed sensor - Cadence sensor - Heart rate monitor - Tether - USB cable - Documentation

Performance GPS Cycling Computer with Mapping and Touchscreen - Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more - MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time - Cycling safety features include new bike alarm, group messaging and tracking, assistance and compatibility with Varia rearview radar and lights so you can see and be seen - includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus on-device route creation, off-course recalculation and back to start; integrated Trailforks data includes trail difficulty ratings - Customize with free apps widgets and data fields from the Connect iQ Store - Battery life: up to 20 hours with GPS; extendable up to 40 hours with the Garmin Charge power pack or in battery save mode - Speed sensor, Cadence sensor and Heart rate monitor Who cares that the Edge 830 touchscreen cycling computer puts trail maps and ratings at your fingertips and offers insights to help you improve? You do. So, whether you’re an enduro extremist, a black diamond expert or somewhere in between, Edge 830 is ready to tame the trails with you. In The Box - Edge 830 - Flush out-front mount - Standard mount - Speed sensor - Cadence sensor - Heart rate monitor - Tether - USB cable - Documentation

Wear epix (Gen 2), be epic. With epix, the premium active smartwatch, you can take on every day with the stunning AMOLED display and up to 16 days of battery life in smartwatch mode. Stay connected with smart features, music storage and get even more functionality on the wrist with Garmin Pay contactless payments in supported countries and payment networks. Understand your body with 24/7 health and wellness monitoring features that track Pulse Ox, heart rate, respiration and more (this device is intended to be an estimation of your activity and metrics; it is not a medical device). Train how you want with 30+ built-in sports apps, and take it further with performance metrics and Garmin Coach training plans. When you're ready for adventure, you can download TopoActive mapping via Wi-Fi connectivity, or get it preloaded on Sapphire editions. Plus, Sapphire editions support multi-band GNSS technology for stronger, better, more accurate positioning in challenging environments.

Garmin's Forerunner 35 is slim and lightweight—perfect for daily runs, training and racing. It features built-in wrist-based heart rate as well as GPS that tracks your distance, pace, intervals and more. And since all these stats are captured by the watch, your watch is all you need—no phone, no chest strap. Just put on Forerunner 35 and go. When paired with your compatible smartphone, Garmin's Forerunner 35 offers the convenience of smart notifications right on your wrist along with a variety of other connected features that makes it easy to live and run without one interrupting the other. Stay connected to family and friends with the live tracking feature, which lets them follow your runs in real time. The Forerunner 35 also keeps you up to date with automatic software updates, and it allows for music controls and more on your device. There’s no reason not to wear your Forerunner 35 all day, every day, thanks to its extensive activity tracking features. That includes steps, calories, distance, sleep and intensity minutes, not to mention 24/7 heart rate monitoring. It also watches out for periods of inactivity and gives you vibration alerts when it’s time to move. The Forerunner 35 allows you to automatically upload your stats and runs to Garmin Connect, their free online fitness community where you can review your progress and even share via social media. This free software is available for desktop or on your smartphone with the Garmin Connect Mobile app. - Monitors heart rate at the wrist, all day and night, using Garmin Elevate wrist heart rate technology - Built-in GPS tracks how far, how fast and where you run - Connected features: smart notifications, automatic uploads to Garmin Connect, live tracking and music controls - All-day activity tracking counts steps, calories and intensity minutes and reminds you when to move - Automatically uploads your data to Garmin Connect, Garmin's free online fitness community where you can join challenges, receive insights and share your progress as you meet your goals

- Compact, lightweight satellite communicator enables two-way messaging and interactive SOS globally (Active satellite subscription required. Some jurisdictions regulate or prohibit the use of satellite communication devices.) - Navigate back to where you started by using TracBack routing - Share your location with loved ones back home at any time (active satellite subscription required) by using your MapShare page or with your coordinates embedded in your messages - Get accurate heading information using the digital compass—even when you're not moving - Sync with the Garmin Explore app and website on your compatible smartphone for trip planning and topographical mapping, and create waypoints, courses, activities and collections you can sync to your device

Lead the pack with Forerunner 955, the premium GPS running and triathlon smartwatch. The training readiness feature tells you when you're primed for a productive session, while daily suggested workouts adapt to your performance and recovery alongside the race widget, which provides training tips, course details and completion time predictions. With morning report, you can get an overview of your sleep, recovery, training and more—as well as a picture of your overall health with heart rate variability (HRV) status (This device is intended to give an estimate of your activity and metrics). On the run, new multi-band GPS and full-color, built-in maps, help you navigate confidently. And with traditional buttons and a touch display, it has never been easier to tap into your training status and know whether you're training productively, peaking or strained. If you're pushing toward the podium—or to the very limits—Forerunner 955 is by your side with up to 15 days of battery life in smartwatch mode.

SEE YOURSELF AS A RUNNER Forerunner 55 is an easy-to-use GPS smartwatch designed for people of all skill levels—especially those new to running—to track their stats and achieve their fitness goals. With the simple press of a button, a user can start their run or walk and track their time, distance, speed, pace and heart rate data1 right from their wrist. Forerunner 55 also offers detailed running data, daily suggested workouts, additional built-in sports apps and more. Forerunner 55 is now available in conjunction with Global Running Day, an annual celebration of the sport of running that encourages beginners to make a life-changing commitment to running. - Track your time, distance, pace and speed during your run or walk with built-in GPS. - Monitor your overall health and wellness with wrist-based heart rate1 and more. - Take guesswork out of training. This smartwatch suggests runs tailored to you. - High-end running features help you meet your potential. Minus the high-end price tag. - Track more than just running with an array of built-in activity profiles. - Get up to 2 weeks of battery life. Because less charging is always a good thing. In The Box: - Forerunner 55 - Charging/data cable - Documentation

Go longer and get stronger, 7 days a week, with the fenix 7 Solar multisport GPS watch. Its Power Glass solar charging lens gives it the battery life to sustain a whole array of athletic and outdoor features. Use trusted button controls or the new touchscreen interface to access selections. Gain performance insights and metrics that help you manage your exertion and build stamina. Optimize recovery with 24/7 health and wellness monitoring of heart rate, respiration, stress, sleep and more (this device is intended to give an estimation of your activity and metrics; it is not a medical device). GPS and outdoor navigation sensors guide your outings off the beaten path. And to complement your tamer days, connected features include smart notifications when connected to a compatible smartphone, music storage and Garmin Pay contactless payments in supported countries and payment networks.

Never stop cycling with Edge 1040. It's our first GPS bike computer with multi-band GNSS technology for even better coverage under dense tree cover, on remote mountain trails and even in the urban canyon. It's also packed with performance features that help you understand your strengths and weaknesses to coach you through any challenge. When paired with your compatible sensors, it can even help you manage your efforts by providing power targets throughout a course and stamina feature insights, so you know how much gas is left in the tank. And the setup is simple, so you can take it out of the box and be out riding in no time.

- The 1.4" Power Sapphire lens harvests the sun's energy, giving you more power and time between charges - AutoSelect mode uses SatIQ technology to dynamically determine the GPS mode necessary to maximize battery life without compromising positional accuracy - The rugged, lightweight design won't slow you down, and the light UltraFit nylon band provides a secure, comfortable fit during all of your activities - Navigation tools help you find your way with preloaded TopoActive and ski maps - A superbright LED flashlight (twice as bright as the fenix 7X multisport GPS watch) offers variable intensities with a strobe that matches your running cadence; red safety light mode helps you keep an eye on your immediate surroundings while running at night - Battery performance with solar charging: up to 46 days in smartwatch mode and up to 150 hours in GPS mode

Run at a higher level with the Forerunner 255 smartwatch. These running smartwatches help you train and recover smarter with training status, running power, multi-band GPS and daily suggested workouts that adapt to your performance and goals. Plus, other new features—such as race widget—help you plan your race-day strategy, and morning report with HRV status reveals your overall health alongside the day ahead. And with Garmin Pay contactless payments with a supported card, it's never been easier to buy that post-workout coffee—no matter how you work out—with more than 30 activity profiles, including triathlon, cycling, swimming and more. With Forerunner 255, you can get a continuous picture of your health, from training and recovery to sleep quality and overall wellness—and with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

Go longer and get stronger, 7 days a week, with the fenix 7 Solar multisport GPS watch. Its Power Glass solar charging lens gives it the battery life to sustain a whole array of athletic and outdoor features. Use trusted button controls or the new touchscreen interface to access selections. Gain performance insights and metrics that help you manage your exertion and build stamina. Optimize recovery with 24/7 health and wellness monitoring of heart rate, respiration, stress, sleep and more (this device is intended to give an estimation of your activity and metrics; it is not a medical device). GPS and outdoor navigation sensors guide your outings off the beaten path. And to complement your tamer days, connected features include smart notifications when connected to a compatible smartphone, music storage and Garmin Pay contactless payments in supported countries and payment networks.

Go longer and get stronger, 7 days a week, with the fenix 7 Solar multisport GPS watch. Its Power Glass solar charging lens gives it the battery life to sustain a whole array of athletic and outdoor features. Use trusted button controls or the new touchscreen interface to access selections. Gain performance insights and metrics that help you manage your exertion and build stamina. Optimize recovery with 24/7 health and wellness monitoring of heart rate, respiration, stress, sleep and more (this device is intended to give an estimation of your activity and metrics; it is not a medical device). GPS and outdoor navigation sensors guide your outings off the beaten path. And to complement your tamer days, connected features include smart notifications when connected to a compatible smartphone, music storage and Garmin Pay contactless payments in supported countries and payment networks.

Train brilliantly with the Forerunner® 265 GPS running smartwatch. Its colorful AMOLED touchscreen display stands out while the training readiness feature — which tells you when you’re primed for a productive session — helps you crush your goals. Wake up to your morning report with HRV status to see health insights alongside an overview of sleep, recovery and training outlook (data presented is intended to be a close estimation of metrics tracked). Plan your race strategy with the race widget, which enables personalized daily suggested workouts that adapt to performance, recovery, the race you’re running and its course. Get ready to make the most of every run with wrist-based running power and multi-band GPS. And when you want to switch it up with cross training, choose from more than 30 activity profiles, including triathlons, cycling, swimming and more. Get a more complete picture of your health, not just a glimpse, from your Forerunner 265 with up to 13 days of battery life in smartwatch mode.

Run at a higher level with the Forerunner 255S smartwatch. These running smartwatches help you train and recover smarter with training status, running power, multi-band GPS and daily suggested workouts that adapt to your performance and goals. Plus, other new features—such as race widget—help you plan your race-day strategy, and morning report with HRV status reveals your overall health alongside the day ahead. And with Garmin Pay contactless payments with a supported card, it's never been easier to buy that post-workout coffee—no matter how you work out—with more than 30 activity profiles, including triathlon, cycling, swimming and more. With Forerunner 255, you can get a continuous picture of your health, from training and recovery to sleep quality and overall wellness—and with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.

- Go longer than ever with solar charging that gives you unlimited battery life in smartwatch mode (assuming all-day wear with 3 hours per day outside in 50,000 lux conditions) - Rugged GPS smartwatch is water-rated to 100 meters and thermal- and shock resistant with fiber-reinforced polymer case and scratch-resistant Corning Gorilla glass - Built-in sports apps to take on running, biking, swimming, strength training and more; plus, VO2 Max and other training features - Live the ultimate connected life with smart notifications and Connect IQ compatibility when paired with your compatible smartphone. - Track your adventures with the built-in 3-axis compass and barometric altimeter, plus multiple global navigation satellite systems (GPS, GLONASS and Galileo)

Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DFour DUB power meter is made for. Train harder, ride faster, and unlock your ultimate potential. The DFour DUB power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer. Features - Bluetooth low-energy technology and ANT+ wireless data transfer - MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate - AxCad - no cadence magnet required - 10K Temperature Compensation - Battery - CR2032, 200-hour battery life, change without tools - OmniCal - swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy - within 1.5%, measuring both legs