Filter By:
- Show More Brands
- Show Fewer Brands
Parts & Accessories

$74.99
Bontrager's DuoTrap Digital Speed/Cadence Sensor pulls double duty for your ANT+ cycling computer. It wirelessly transmits speed and cadence data and fits directly into the chainstay of certain Trek bicycles for a clean look that installs in seconds.

$19.99
Easily integrated
Designed specifically for specific Bontrager Circuit MIPS road bike helmets, the Blendr mount easily integrates Bontrager Ion lights and GoPro cameras.
- Quickly mount front light and camera accessories on the front of your Bontrager Circuit MIPS road bike helmet.
- Tested with an accelerometer for intended breakaway point if involved in a crash

$7.99
Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride.
Key features:
- Universal crank magnets work with any cadence sensor
- Get the perfectly sized magnet, sized right for your bike and sensor
- 20mm cadence magnet improves signal for wider gaps between crank and sensor

$3.99 - $6.50
Keep your computer and sensors ready for every ride with replacement batteries
Key features:
- CR2032 battery is used for most Trek and Bontrager computers
- 23AE battery is used for the Bontrager Interchange Analog Wireless Sensor
- LR44 and L1154 batteries are identical and used in Bontrager SpeedTrap Sensor
Page 1 of 1