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Parts & Accessories
$199.99
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
$59.00
SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs.
- Up to 1000 kilometers of riding per charge
- Weight: 24g
- Finish: Black
- Compatibility: SRAM RED eTap
$49.99
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.
$39.99
Monitor your speed 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.
The speed sensor 2 attaches to the hub of either wheel. You can set up wheel size in our Garmin Connect online community or self-calibrate with an Edge cycling computer or compatible Garmin device. Once set up, you’ll get accurate speed and distance at all times — even without a head unit.
ANT+ connectivity and BLUETOOTH Low Energy technology let you sync to Garmin Connect and other training apps, compatible devices and fitness equipment for better data when you ride indoors and outdoors.
$69.99
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.
$49.99
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
$199.99
Stay aware of approaching cars with Varia RTL515 rearview radar. It pairs with your Edge bike computer or compatible smartphone to alert
you of vehicles approaching from behind up to 153 yards (140 meters) away. When used with your compatible smartphone, the Varia app uses
bold graphics — plus tone and vibration alerts — to indicate the position and speed of approaching vehicles.
MAXIMUM AWARENESS
- Varia RTL515 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 or the optional radar display unit.
WORKS WITH THE VARIA APP
- This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — that 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.
SUPERIOR VISIBILITY
- Alert motorists to your presence as soon as possible with daylight visibility up to 1 mile.
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.
PELOTON MODE
- Varia RTL515 features multiple modes, including peloton mode, which provides a low-intensity flash that is kind to other cyclists’ eyes when riding in a group.
BATTERY LIFE
- Time spent charging is not as good as time spent riding. Get up to 16 hours of battery life in day flash mode and up to 6 hours in solid mode.
Physical Specifications
- Dimensions: 3.9” x 0.8” x 1.6" (98.6 x 19.7 x 39.6 mm)
- Weight: 2.5 oz (71.0 g)
- Modes: solid, peloton, night flash, day flash
- Lumens: 20 solid, 8 peloton, 29 night flash, 65 day flash
- Battery life: 6 hours solid, 8 hours peloton, 6 hours night flash, 16 hours day flash
- ANT+: Yes
- BLE: Yes
- Water rating: IPX7
- Viewing angle: 220°
In the box:
- Varia RTL515
- Mounting Kit
- Cables
- Documentation
$299.99
It’s got your back while you ride ahead. Varia™ eRTL615 rearview radar for eBikes is our first battery-free radar. It plugs directly into your compatible eBike. It detects cars approaching from behind and provides audible and visible alerts when paired with your compatible Garmin smartwatch, bike computer or even your smartphone with the Varia™ app. This radar also has a bright tail light to make you more visible to motorists, adding peace of mind to every ride. And since you don’t have to charge it between rides, that’s one less thing to worry about.
$7.99
This tool is a must-have item for every service center.
Essential for diagnosing e-bike systems.
PRODUCT DETAILS
- Gold-plated connectors for optimal signal clarity
- Protective shielding that protects against noise
- 2 meters in length
- USB-A to USB-C connections
- USB 3.1 data transfer cable
$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
$19.99
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 Garmin High Mount for a clean, flush look that securely holds your Garmin centered over the stem.
Key features:
- Blendr is an elegant, integrated accessory mounting solution
- Provides clean and secure mount for Garmin GPS
- Works with any Blendr-compatible stem and the accompanying base
- For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)
$14.99 - $19.99
Blendr add-on to Kovee Pro 35 stems
Clean up your Bontrager Kovee Pro 35 stem cockpit with Blendr Pro bases.
- Blendr works with this simple formula: Stem + Base + Mount. Add accessory
- Bases for use with the Kovee Pro 35mm stem
- Add any accessory mount (sold separately) for an elegant, integrated look
$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
$74.99
Connect ANT+ and Bluetooth Smart devices to all of the data available from the DuoTrap S sensor for your on-the-bike wireless needs.
• ANT+ 2.4 GHz and Bluetooth Smart wireless digital speed and cadence sensor
• ANT+ and Bluetooth Smart allow simultaneous use of Trip 300 and smartphone
• For use with many ANT+ and Bluetooth Smart wireless technology enabled devices
• Includes Bontrager wheel magnet, crank cadence band, and CR2032 battery
• Works with Trek DuoTrap compatible bikes
$5.50
The adapter puck is required for mounting Garmin head units to the Pro Blendr Alloy Computer Mount.
- Start with a Blendr stem, add the appropriate base, and finish with Pro Blendr Alloy Computer Mount and Garmin Adapter Puck for secure mounting of your Garmin head unit.
Blendr is an elegant, integrated accessory mounting solution
- For use with Garmin head units and Pro Blendr Alloy Computer Mount
- Removable design alloys quick and easy adapter puck replacement
- Attach your Garmin tether for an additional layer of security
$3.99
- 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
$9.99
$34.99
71% Off
Bontrager's SpeedTrap Digital Speed Sensor conveniently plugs into any Bontrager fork with SpeedTrap technology for the ultimate in convenience. And, it wirelessly transmits speed data to your ANT+ cycling computer.
$9.99
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 Trip Computer Mount for a clean, flush look that securely holds your Bontrager Trip computer in a perfect position to see on the go.
Key features:
- Blendr is an elegant, integrated accessory mounting solution
- Provides clean and secure mount for Bontrager Insta-Mount or Trip Computer
- Works with any Blendr-compatible stem and the accompanying base
- For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)
$23.00
Zipp delivers an uncomplicated computer mount for aerobar extensions that’s easy to install, lightweight, and vibration and slip free. The 22.3mm industry standard mount installs simply and securely on aero extensions. The Zipp QuickView TT Computer Mount is aerodynamically shaped for left-side installation, but also can be installed on the right bar extension. It comes with a single Torx T25 bolt, flexible mounting clamp, and a quarter-twist mount.
$34.00
Handlebar computer mount for Garmin/Wahoo for Vuka Shift AXS
$18.95
• When aerobar space is tight, place your computer on top
• Tuck straw on either side for best aerodynamics
• Fits on TORPEDO SYSTEM 100, TORPEDO SYSTEM 400 & REFILL UPGRADE KIT BOTTLES (each sold separately)
• Compatible with most computers, including large screens (sold separately)
• Glass-reinforced nylon
• Weight: 18.5 grams
$98.95
Aerodynamic dual-bottle BTA hydration system that features a dynamic, multi-position computer mount to accommodate your changing needs. Raise the computer mount up to tuck in a refill bottle for race day, or lower it down for a standard bottle while maintaining the optimal view for training days.
- Telescoping Garmin mount features on-the-go tilt adjust to avoid glare.
- Zero-leak design with a sealed viewing window to easily monitor liquid levels, and a leak-free Dolphin Breather Valve that lets air in but doesn't let water out.
- Capacity: 26oz (768 mL)
- Material: Plate: 6061-T6 Aluminum
- Cage: Nylon Composite Vee Cage
- Computer Mount: Nylon Composite
- Bottle: Lead free, BPA-Free and HDPE food safe certified bottle
- Brackets: Nylon composite with Velcro straps coated with no-slip extension grip - Adjustment Width: 75-150mm
- Weight: 9.3oz (265g)
$35.95
Telescoping Garmin Computer Mount for Versa Plates. Raise the computer up for Refill Bottles, or lower it down to clear Standard Bottles. On-the-go tilt adjust to avoid glare.
- Telescoping computer mount makes for a seamless switch between Refill or Standard Bottle
- Compatible with Garmin bike computers and Multisport Watches
- Requires Versa Carbon Mount or Versa Aluminum Mount
Telescoping Garmin-Specific Computer Mount
- Raise the computer mount up to tuck in a Refill Bottle for race day, or seamlessly lower it down for a Standard Bottle to maintain the optimal view for training days. Compatible with Garmin bike computers and multisport watches.
On-the-Go Computer Tilt Adjust
- Avoid changing glare with a tilt mechanism for easy adjustments while you ride
Arrives Fully Assembled
- Few steps required to install and head out on your first ride
- Weight: 1.9oz (54g)
- Construction: Nylon Composite
Includes
- Fully assembled computer mount
- 2 screw sets: one for Versa Carbon Plates, and one for Versa Aluminum Plates
Warranty: Limited Lifetime
$49.99
This handlebar bracket has been developed so you can attach a tablet to your handlebars. The design provides a safe distance so that no sweat falls on the screen while you are training.
- Suitable for handlebars with a diameter ranging from 26mm to 35mm
- Adjustable to different tablet sizes: length 182-267mm, width 112-197mm, max. thickness 13mm
$79.99
Shimano BT-R1A External Di2 Battery
- 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
- Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems
- Battery weight: 71 grams
$129.00
- Shift buttons mounted to the end of a bar plug
- Included wire connects to Blip Box
- Fits bars with 19 - 20.5mm inside diameter
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