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

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

Keep your handlebar organized and your devices secure with the SGS-400-OS (27.2/31.8/35.0mm) from Minoura. - Holds up to 2 accessories (light, computer, mp3, bottle cage holder, etc.) - Lightweight and rustproof alloy construction - New LW-Clamp reduces weight 25 grams compared to previous models - Aluminum bar is position adjustable and uses Hex Bolt to install and remove - 27mm-35mm diameter

Keep your handlebar organized and your devices secure with the SGS-400-STD (22.2/25.4/28.6mm) from Minoura. - Holds up to 2 accessories (light, computer, mp3, bottle cage holder, etc.) - Lightweight and rustproof alloy construction - New LW-Clamp reduces weight 25 grams compared to previous models - Aluminum bar is position adjustable and uses Hex Bolt to install and remove - 22mm-29mm diameter

The MSW Computer Spoke Magnet is designed to fit round and bladed spokes of various diameters. - Tool-free installation - Alloy construction - Fits round and bladed spokes

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

Connect your desktop to CycleOps VirtualTraining.

The BlueGiga dongle gives Rouvy, CycleOps' virtual training software, the ability to seamlessly connect to Bluetooth devices and sensors. The BlueGiga dongle contains a Bluetooth (BLE) radio that allows PCs to communicate with BLE devices, including CycleOps smart indoor bicycle trainers and power meters made by the folks at PowerTap. Most importantly, the BlueGiga dongle is necessary to update the firmware Over the Air (OTA) via VirtualTraining for the Hammer and Magnus bike trainers. - Bluetooth dongle for PCs to work with Rouvy - Needed for Over the Air Firmware Updates to Smart Indoor Bike Trainers. - Works with PC desktops and laptops.

Get your computer dialed with the perfect magnet Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Universal crank magnets sized for your bike and sensor - Compatible with all cadence sensors

Get your computer dialed with the perfect magnet Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Universal crank magnets sized for your bike and sensor - Compatible with all cadence sensors

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

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

Easily mount a cell phone and case directly to your bars for safe convenient access with the Insta-Mount and keep all of your favorite cycling and fitness apps safely accessible. • Mount your hard-shell smart phone case to your bike • Allows for easy access of phone on stem or handlebar • Includes Insta-Mount, universal mount, and application grid • Blendr-compatible

Genuine Bontrager cycling computer mounting accessories and replacement parts. - Ensure your computer stays properly in place. 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

Get more data from your rides with the Bontrager Interchange digital combo speed and cadence sensor. This ANT+ 2.4 Ghz is designed to work with Bontrager Node wireless computers. It also works with many other ANT+ enabled devices. Sensor adjustment is easy with the adjustable arm. • 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 • Independently adjustable arm for precise alignment of speed and cadence sensors • Includes Bontrager wheel magnet and crank cadence band • Includes silicone mounting strap to fit most chainstays and CR2032 battery • Visit www.thisisant.com/directory/ for compatible ANT+ devices • Visit www.bluetooth.com/pages/bluetooth-smart-devices.aspx for compatible Bluetooth devices

- 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

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.

Low Road position places the computer in front of the bar and nearly flush with the top of the bar, making for an easy to read display whether you are on the hoods or in the drops. - Sub-20 gram computer mount - Compatible with computers with 1/4 turn twist lock interface and 31.8mm bar surface - Single Torx T25 fixing bolt

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.

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

An innovative cycle computer/action camera center mount, specifically designed for integrated stem/handlebar systems. Various mounting positions for Garmin Edge/Wahoo/Sigma GPS cycle computers and GoPro/Shimano sport cameras, Topeak CubiCubi front lights, WhiteLite HP 500, WhiteLite 800 BT, and other GoPro-mount-compatible devices. - Compatible Devices: Garmin Edge / Wahoo / Sigma GPS bike computer / GoPro action cams and other devices with GoPro mount - Handlebar Compatibility: Shimano Pro Stealth, FSA Plasma, Ritchey WCS Solostream, SCOTT SYNCROS RR1.0 Carbon Aero 420, Most Talon, Canyon H31 & CP series - Material: aluminum / fiberglass composite - Max load: 220g - Weight: 40g (120mm) / 45g (150mm) - Dimensions: 12 x 3.5 x 3cm (120mm) / 15 x 3.5 x 3cm (150mm)

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

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

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

- 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

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