Electronics

Mount your Varia Rearview Radar or Varia Smart Bike Light (each sold separately) to an aero or round seat post with this quarter-turn mount. Includes mount, 2 fitting shims and 4 O-rings.

Replace your worn or damaged wiring on Origin8 wired computers (97517 / 97570) - Includes bracket with (155cm) wired sensor, screw magnet and 4 cable ties - Includes: Wiring Kit - Compatibility: Data Station 8 / 10 ** HEAD mount is HANDLEBAR mount only (not stem)

The Velo 7 is CatEye’s entry level wired 7 function bike computer made simple with pre-programmed tire sizes.

Stay ahead of the pack with this extended out-front bike mount that lets you take full advantage of your Edge without compromising your ride. This mount with extended arm allows you to stay in a comfortable heads-up position for easier monitoring and improved safety.

OEM CR2032 3V Lithium Battery used in most CatEye cycle computers.

Wire harness and hardware to measure computer data based on the front wheel. - Fits most bars bars (25.0 to 31.8mm), 86cm wire, wheel magnet (fits up to 4mm bladed spokes) and zip ties - Compatible with: Protege 5.0, 8.0 and 9.0

Shimano Di2 External Battery Mount - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware

When Quarq set out to build their next-generation power meter, they wanted to build the best-performing power meter for every facet of cycling and triathlon, and for riders at every level. Like its Quarq brethren, the new DZero measures power in the heart of the bicycle—the crankset spider, scientifically proven to be the place for the most accurate measurement. With a new measurement circuit, revised strain gauge design, improved accuracy throughout the pedal stroke and software advances built into the Qalvin App, the DZero represents the state of the art in power meter technology As Quarq’s next generation of power meters, the DZero combines 10 years of technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and, for the carbon version, compatibility with BB386EVO bottom brackets. - 10K temperature compensation: Eliminates variables caused by heat and cold to provide an unwavering record of your performance through all conditions - Built to last: Features an IPX7 waterproof rating - Material: CNC Machined Aluminum Spider, Exogram Carbon Crank Arms - Accuracy: 1.5% - Bolt Circle Diameter: 130 BCD, 110 BCD - Q-Factor: 145mm - Wireless Technology: ANT+, Bluetooth low energy technology - Battery: CR2032, 200 hours of riding time - Weight: 578/559 grams (130/110 BCD) - Head Unit Compability: ANT+ and Bluetooth low energy technology compatible head units (available separately) - Compatibility: Traditional 5 bolt chainrings from most manufacturers. Hidden (HB) and Non-hidden Bolt (NHB) patterns. 10-speed, 11-speed, 1X and 2X. *Not compatible with Campagnolo chainrings

CatEye's Out Front Bracket frees up your handlebars and positions your favorite CatEye computer just in front of your stem for optimal viewing and accessibility.

Every innovation in Quarq’s next-generation DZero platform is channeled into DFour: 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 new Qalvin BLE app. The DFour91 is designed for Shimano’s Dura-Ace R9100 chainrings. It uses Quarq’s lightweight, sturdy ExogramTM carbon crank arms. GXP and BB30 versions work with every bottom bracket shell, including BBright and BB386EVO. - DFour is designed for Dura-Ace 9000 chainrings and compatible with Ultegra 6800 and 105 5800 chainrings - DFour91 is designed for Dura-Ace R9100 chainrings - Must be paired with a compatible SRAM bottom bracket - 8-bolt power meter owners can upgrade using a DFour or DFour91 power meter spider - 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 - OmniCal — swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy — within 1.5%, measuring both legs - Chainrings and bottom bracket sold separately

- Di2 internal battery, fits all e-Tube Di2 groups - Capacity: 500 mAH (± 2000km) - Use with EW-WU101 or SC-MT800 interfaces/junction to gain BlueTooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets - Requires SM-BCR2 charger

Garmin's ANT+ USB stick plugs into your computer's USB port to wirelessly transmit your activities to Garmin Connect and Garmin's Training Center. It automatically receives your activity data when your compatible ANT+ Garmin device is within range.

Fits all phones with and without cases. Keep your phone within reach and storage for keys, wallet, charger and energy bar. Mount phone to top tube/frame or stem. - Easy in/out mounting of phone. - Secures phone with adjustable shock cord. - Easy to install with multiple cut-to-length straps. - Straps are multi-positional. - Dimensions: 6" x 3.5" x 3", 70 cubic inches

Power measurement is a crucial part of training, so we’ve made it as easy as possible to upgrade your Force AXS ride with Quarq technology. DUB-PWR takes the legendary reliability and accuracy of Quarq technology and inserts it into the crank spindle for clean integration that fits more bikes than ever. It’s invisible technology that adds minimal weight and will help you get to the finish line faster. FEATURES - DUB-PWR spindle-based unit measures left side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User replaceable AAA lithium battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset)

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.

Introduce the rider you are today to the one you’ll be tomorrow. The Edge® 540 cycling computer offers targeted adaptive coaching when used with your compatible power meter and heart rate monitor. It helps you manage your efforts by providing power targets throughout a course plus stamina insights, so you know how much gas is left in the tank. Get superior positional accuracy under dense tree cover or the urban canyon, thanks to multi-band GNSS technology. It features button controls that work in any conditions. Whether you’re riding roads, trails, gravel or indoor, you can benefit from insights and workouts that will help you understand your strengths and weaknesses and prepare for upcoming races or personal milestones.

Train brilliantly with the smaller-sized Forerunner® 265S 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 265S with up to 15 days of battery life in smartwatch mode.

Protective Silicone case for Edge 1040 and 1040 Solar

Discover new routes, and ride with confidence using the Edge Explore 2 GPS cycling computer This navigator features a bright 3" touchscreen display, and it's simple to set up and ready to ride straight out of the box. - Ride like a local during your next on- or off-road adventure - High-contrast maps provide bike-specific, turn-by-turn navigation — and highlight popular roads and trails along with high-traffic areas - When connected to your compatible eBike, receive navigation guidance and alerts based on your bike's battery status, assist level and range - Plus, safety features such as incident detection and Assistance let you ride with greater peace of mind (Requires setup and your smartphone to be in an area with network coverage)

Use these cables to connect your power mount to a compatible bike system. Choose the appropriate cable by selecting your version: - Bosch eBike system Generation 2 - SHIMANO STEPS ebike systems with light connection terminals, and - Power sources that use an USB-A port

The X0 Eagle T-Type AXS™ Wide left crankarm with Power Meter spindle provides riders with accurate, live power data delivery housed in our most advanced aluminum crankset. The power meter technology is integrated through what SRAM calls “DUB-PWR” – a unique design that elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS™ enabled components. No-compromise, no-fuss data delivery with robustness in mind. - Innovative "DUB-PWR" design allows for lightweight, subtle Quarq power integration - Compatible with RockShox Flight Attendant - Unique, groundbreaking design integrated with one of the lightest aluminum cranksets on the market - +/-3% accuracy means you'll always know your true watts output - Long battery life provides 400+ hours of usage - Waterproof (IPX7 waterproof to 1 meter for 30 minutes - Right arm, Bottom bracket, Chainring and Spider NOT included

Our 43/30T chainring combo combined with a wide chainline increases tire clearance while providing ideal gearing for venturing off-road. But gravel riders need power measurement too, so we’ve elegantly integrated Quarq technology into the DUB spindle, stealthily gathering the data you need to progress. FEATURES - DUB-PWR spindle-based unit measures left side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User replaceable AAA lithium battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Wide chainline crankset for bikes with up to 700x45c or 27.5x2.1" tire widths (43/30T chainrings only) - Compatible with all SRAM Road Wide DUB BBs except Ai

It’s the best of both worlds. A light and stiff direct mount chainring with accurate Quarq power measurement elegantly hidden inside the DUB spindle lets you stealthily gather the data you need to progress. So you can focus your attention on the stunning finish of the carbon fiber crank arm. FEATURES - DUB-PWR spindle-based unit measures left side power to calculate total watts - Long battery life (400+ hours) to power a season of rides - User replaceable AAA lithium battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Compatible with 135mm and 142mm rear spacing

It’s the best of both worlds. A light and stiff direct mount chainring with accurate Quarq power measurement elegantly hidden inside the DUB spindle lets you stealthily gather the data you need to progress. So you can focus your attention on the stunning finish of the carbon fiber crank arm. The wide chainline crankset fits in road and MTB bottom bracket standards so frames can fit wider gravel tires. FEATURES - DUB-PWR spindle-based unit measures left side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User replaceable AAA lithium battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brands - Compatible with 135mm, 142mm and Boost rear spacing

The Padrone Stealth Edition delivers all of the same functions as the classic Padrone, now with an easy-to-read inverted LCD screen. Packaged with the stable OF-100 Out-front bracket, you’ll get clear data that’s easy to see from any position. - Analog wireless - Easy to read inverted LCD with large display and sleek design - Auto start / stop - Menu screen to change setting - ClickTec™ button interface - Programmable odometer - Battery indicator - OF-100 Out-Front bracket included

Rally RK200 is tested to the extreme, so you can ride there too. This dual-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding. - Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to ensure total reliability. Featuring a superior design with sensors housed inside, these sleek pedals install like any pedal. And they're quick to transfer between bikes. - Advanced Cycling Dynamics—In addition to total power and cadence, Rally RK200 measures much more. These metrics help you tailor your training around your specific weaknesses and strengths to help you improve. - Left/Right Balance—Measure power from your left leg versus power from your right leg to get a better look at how symmetrically you're producing power. - Seated vs. Standing—Track the amount of time you spend in each position and gauge position effectiveness. - Power Phase—Get a clear look at where you're producing power in the pedal stroke. - Platform Center Offset—Ensure proper cleat position by keeping track of where power is applied on the pedal. - Cleat Compatibility—For a comfortable ride, these pedals are designed with your favorite LOOK KEO cleats in mind. - Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round. A transferable spindle can be installed in Rally RS road or Rally XC off-road pedal body kits (each sold separately). - Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life. Specs: - Battery type: LR44/SR44 (x4) or CR1/3N (x2) - Battery life: up to 120 hours - Maximum rider weight: 105kg - Accuracy: +/- 1% - Field calibration - Adjustable release tension - Measurement location: spindle - Communication: ANT+ and BLUETOOTH - Weight: 326g - Water resistance: IPX7 - Cleat type: KEO - Q-factor: 53mm (55mm with provided 2mm washer) - Stack height: 12.2mm In the Box: - Rally RK200 pedals - Cleat hardware - 55mm Q-factor washers - Documentation

Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. - 8th Generation Bone Conduction Technology - IP67 Waterproof (Not for swimming)  - Lightweight + Comfortable - 8-Hour Battery Life + Quick Charge

Monitor your pedaling cadence as you ride with this easy-to-install wireless sensor. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes. Simply attach the sensor and ride. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.

The SRAM RED AXS power meter breaks with tradition — and breaks through to new levels of performance. SRAM reengineered road gearing: reducing front chainring size and adding more range to the rear cassette. They also maintained a 13-tooth delta on all chainring pairs, ensuring precise shifting for any setup. This results in more useful gearing and better shifting across all configurations. These power meters are also designed with Quarq's premier DZero power measurement technology fully integrated into the crankset. Welcome to the pinnacle of the power meter. - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Integrated power measurement - Power meter is fully integrated into the chainring set for lighter weight - 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 - Improved front shifting performance for crisp and accurate front shifts - Unique chainring shape results in a lighter weight, stiffer, more durable crankset - Integrated chainring design significantly reduces weight - DUB bottom bracket adds durability, simplicity and broad compatibility - Speeds: 12 - BB Compatibility: All SRAM Road DUB BBs - BB Spindle Interface: DUB - Chainring material: Aluminum - Crank arm material: Carbon - Power Meter Type: ANT+ and BLE - Bottom bracket not included

Light up the road Blendr is the ultimate integration system for clean and easy installation of lights, computers, and other accessories. Start with a Blendr stem, add the appropriate base, and finish with the Blendr Universal Ion Mount for a clean, flush look that securely holds your Bontrager Ion light in a perfect position to see and be seen. - Blendr is an elegant, integrated accessory mounting solution - Clip can be rotated for compatibility with many Bontrager accessories - Works with any Blendr-compatible stem and the accompanying base