Parts & Accessories

Know what's coming. Ride with extra confidence with Trek CarBack Radar Rear Light. CarBack's radar helps detect rear-approaching vehicles from up to 240m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness. Built with integrated best-in-class Daytime Running Lights that are visible from up to 2km away, CarBack is a must-have for every cyclist riding on shared roads. - CarBack can detect and alert riders of rear-approaching vehicles from up to 240m away - Compatible with most cycling GPS computers - Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone - Designed with focus, flash, and range to be Daytime-visible from up to 2km away - Four light flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM, and Night Flash 5 LM - Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status - IPX7 waterproof rating to confidently ride through wet conditions - Includes Quick Connect Plus rear mount and USB-C charging cable

Cutting edge aerodynamic and lightweight mount 3D Printed in Titanium compatible with all Garmin and Wahoo computers (except bolt v1). T-Tray mounting system makes for a removable mount for lights, cameras, and more! - Standard: 9 – 30mm - Wide: 23 – 40mm

Power Spoke magnet for all Sigma computers. Fits round and bladed spokes.

Monitor your speed and cadence as you ride with these easy-to-install wireless sensors. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes. The speed sensor 2 attaches to the hub of either wheel and self-calibrates with your Edge cycling computer or compatible Garmin device to give you accurate speed and distance at all times — even without a head unit. The cadence sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training. Send live speed, distance and cadence data to compatible training apps or displays by using ANT+ connectivity and BLUETOOTH Low Energy technology. With both of these sensors on your bike, you can work to improve your personal best or see where you stand against the pros.

Mount your Garmin Edge computer with the Quarter Turn Bike Mount. It includes the bike mount, rubber disc, and elastic bands to secure the Quarter Turn to your stem or handlebars.

- For use with trainers and spin bikes only - Holds iPad Mini, Kindle Fire, Nexus 7, Samsung Galaxy 7 - Includes touch screen friendly splash-proof bag - Universal clamp attaches to all round bars up to 1.5" diameter - Viewing perspective can be set for preference - landscape or portrait - Instant removal and installation of device - Neat rubber bumpers grip and help cushion device - Mini-Tablet Holder max dimensions: - Holds devices with max dims 8.6" x 5.5" x .625" | 220 x 140 x 15mm (H x W x D)

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

- Replacement parts and accessories for SpeedTrap Digital Speed Sensor - Fork Cap covers SpeedTrap pocket when sensor is removed - Spacer is required on some forks to position sensor closer to wheel magnet