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

- 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

Stay ahead of the pack with this out-front mount that lets you add your bike headlight (sold separately) to a second bike or attach a compatible Edge (sold separately) to control the light while riding. The mount gives you easier, heads-up positioning for easier monitoring and safety. Includes mount and 2 shims.

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.

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.

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

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

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)

Genuine Bontrager cycling computer mounting accessories and replacement parts. - Replacement adapter for the Insta-Mount system - Universal mount permanently attaches to the back of your phone or other device - Use with Bontrager Trip mount for seamless Blendr capability

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.

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

Pro Blendr is the ultimate computer integration system for clean and easy installation, made from durable alloy. - Start with a Blendr stem, add the appropriate base, and finish with Pro Blendr Alloy Computer Mount for secure mounting of computers. Don't forget your Garmin or Wahoo Adapter Puck! Those are sold separately so you can build the ultimate Blendr system that's right for you. - Alloy design provides clean and secure mounting of computers - Adapter pucks available for Wahoo and Garmin computers (sold separately) - Compatible with all Blendr bases - Attach your Garmin tether for an additional layer of security

The adapter puck is required for mounting Wahoo 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 Wahoo Adapter Puck for secure mounting of your Wahoo head unit. Blendr is an elegant, integrated accessory mounting solution - For use with Wahoo head units and Pro Blendr Alloy Computer Mount - Removable design alloys quick and easy adapter puck replacement

Genuine Bontrager cycling computer mounting accessories and replacement parts. - Ensure your Bontrager cycling computer properly stays in place. - Provides infinite angle adjustment allowing for your preferred placement - Compatible with 31.8mm handlebars

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.

**Only compatible with SL Sprint Stem (4 bolt)** Zipp’s QuickView Integrated stem faceplate computer mount provides an efficient fix for an emerging challenge on modern bikes, system integration. This new mount doubles as the stem faceplate for a clean look that securely holds your cycle computer and a light or camera. No more multiple mounts bolted on here and there. The mount sits in front of your Zipp stem, positioning it for easy viewing and access. The Zipp QuickView Integrated mount will have two variants, one compatible with Service Course, Service Course SL, and SL Speed models, and another designed for use with the SL Sprint. This is an easy way to add elegant integration to your road bike. FEATURES -Computer compatibility: Garmin™, Wahoo™ -Accessory compatibility: GoPro™ -Lights: Niterider Lumina Series™ (with adapter), Light and Motion™, Bontrager™ (with adapter), Gloworm™ (with adapter), Lezyne™ (with adapter), Infini™ (with adapter), Sigma Sport™ -Lifetime warranty

Handlebar computer mount for Garmin/Wahoo for Vuka Shift AXS

• 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

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)

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

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

• Fits head & derailleur tubes to mount accessories on a USS (under-seat steering) recumbent

Enjoy easy viewing with the Butler Out Front handlebar mount! Out Front Mount for following models: BC 1909 STS BC 2209 STS ROX 5.0 ROX 6.0 ROX 8 ROX 8.1 ROX 9 ROX 9.1 *Note: not for use with ROX 10.0

The new DN300 Built-In type battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs (and shifters if a fully wired option is selected). - Compatible with thinner next-generation electric wire SD300 and systems after R9250/R8150 series - Li-Ion type - Capacity: 500 mAH |3.7Wh (± 2000km autonomy) - Rated voltage: 7.4V - Charges through RD-R9250 |RD-R8150 rear derailleur using EW-EC300 Di2 Charging Cable (sold separately) - Fixing small parts included - Weight: 52g

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

Shimano SM-PCE02 link cable for e-tube and Di2 systems.

Connect your PC to CycleOps VirtualTraining.

The QuickView was designed to put the Garmin Edge Computer out in front of the stem. Fits Garmin 605 and 705. - Glass-filled nylon, stainless steel Torx T25 bolt - Weight: 20g

- Shift buttons mounted to the end of a bar plug - Included wire connects to Blip Box - Fits bars with 19 - 20.5mm inside diameter

Be it the fireworks of a finale, an ideal rhythm, climbing on the top, or a deep, dark place extracting the last kilojoule of effort on your bike split, you want to adjust your gear with the twitch of a finger. eTap Blip satellite shifters allow you to shift when you want, where you want. - Limitless remote shifting positions for drop and aero bars - Wired shift buttons can be positioned however the rider prefers - Connect to Blip Box or drop bar eTap levers - Compatible with SRAM RED eTap shift/brake controls