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Parts & Accessories
$209.99
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
$264.99
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
$117.49
- CNC Machined Aluminum
- Combo Compatible (580 Add-On sold separately)
- WAHOO approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top - 123g / Bottom 242g
- Weight: 63g
- Mount Type: Clamp 31.8mm
- Mount Weight: 53g
Compatibly:
- All Wahoo Cycling Computers- ROAM, BOLT, ELEMNT, MINI
- Combo (GoPro-style light/camera interface) K13-4500-31.8-BLK
$7.99
- Quick Charge USB-to-Micro-USB cable to charge your rechargeable Bontrager lights
- Also able to charge most other Micro USB systems
- 9 inches/23cm long
$87.00
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
$109.00
**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
$516.00
ShockWiz is a suspension tuning system for air-sprung mountain bikes that combines high-tech hardware with an intuitive smartphone app. It's lightweight, durable and powered by a long-lasting coin cell battery, ShockWiz automatically records and evaluates suspension performance every time you ride. The ShockWiz app displays straightforward adjustments that unite bike, terrain and riding style.
ShockWiz works for all mountain bike riders, regardless of their experience or bike's intended use. It works on hardtail and dual suspension bikes, and for all levels of skill, speed, and terrain.
With ShockWiz, you know exactly how your suspension is performing – and how to make it better.
Features & Benefits:
- Automated tuning recommendations
- Shock tuning score - a snapshot of how well your suspension is set up for you
- Works on hardtail and dual suspension bikes. Works for Cross-Country, Trail, All Mountain and Downhill.
- Inexpensive, replaceable CR2032 battery lasts for months
- Waterproof and dustproof - IP67 rating
- Two alternative hoses (included) offer a range of fitting options
- Smartphone app is compatible with Apple and Android phones
Essential Details:
- ShockWiz is designed for all mountain bike riders, regardless of your experience or bike's intended use.
- You can tune for every riding style: Efficient (pedaling), Balanced, Playful or Aggressive.
- Advice for air pressure, spring rate, compression and rebound is displayed in the intuitive smartphone app.
- In the box: ShockWiz hardware, two hoses, rubber mounting boot and zip ties.
$54.93
$99.99
45% Off
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
$99.99
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
$12.99
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)
$45.99
Pro Blendr is the ultimate computer integration system for clean and easy installation, made from durable alloy.
- Blendr is an elegant, integrated accessory mounting solution
- 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
$25.99
Blendr is the ultimate system for clean and easy integrated installation of lights, computers, and other accessories. Start with a Blendr stem, add the appropriate base, and finish with the Blendr GoPro Mount for a clean, flush look that securely holds your GoPro in a centered location.
Key features:
- Blendr is an elegant, integrated accessory mounting solution
- Provides clean and secure mount for GoPro camera
- Works with any Blendr-compatible stem and the accompanying base
- For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)
$29.99
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
$64.99
Pro Blendr is the ultimate computer integration system for clean and easy installation directly to Knock Block.
- Start with a Knock Block equipped frame using the appropriate frame chip with display tabs, and finish with Pro Blendr Knock Block Computer Mount for secure mounting of computers behind the stem to keep your cockpit spotless.
- In addition to the correct frame chip with display tabs, don't forget your Garmin or Wahoo Adapter Puck! These are sold separately so you can build the ultimate Blendr system that's right for you.
$25.99
Where your gaze goes, your light follows
Add the safety of visibility to your helmet and light up the trail with help from the Bontrager Blaze helmet mount. Compatible with all Ion headlights.
- Quickly mount front light and camera accessories on the front of your Bontrager Blaze WaveCel helmet
- Tested with an accelerometer for intended breakaway point if involved in a crash
$25.99
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)
$49.99
The K-EDGE Gravity Top Cap is a great computer mount for those mountain riders that already a lot going on with the cockpit of their bikes, or just want a simple and sleek looking computer mount. The Top Cap replaces your already existing top cap with the K-EDGE Gravity top cap. Ideal position for Downhill and Enduro racing/riding, but is also a popular solution for any bike when using a smaller style computer (20, 25, 200, 500, 510, 520, 820).
- CNC Machined 6061-T6 Aluminum Platform, Injection Molded Garmin Specific Co- Polymer Interface
- Compatibility: All Garmin Edge® Computers including the 1030*, 1000*, 820, 810*, 800*, 510, 520, 500, 200, 25, 20. Also supports the Touring, Touring Plus, Forerunner 310XT, and 910XT. (Larger EDGE computers such as 800, 810, 1000, 1030 may interfere with very steep, upright, stem angles.)
- Made in Boise, Idaho, USA.
- Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.
$94.99
The strongest K-EDGE Mount yet, designed for today’s heaviest computers, cameras and lights. Upgrade to the Garmin Max Combo mount for a solid and clean platform for your cycling electronics. Chosen by the best, year after year, when quality, performance and craftsmanship matter.
- Max combo mount is compatible with GARMIN Cycling Computers smaller than EDGE 1000, 1030 style (example EDGE 820)
- Combo Mount (Computer on top – light or camera underneath) with GoPro style light/camera interface
- GARMIN approved replaceable computer insert protects computer tabs
- CNC Machined Aluminum, Anodized Black with laser etched logos
- Made in-house, Boise, Idaho USA with a Lifetime Warranty
- Weight: 60g
$115.99
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
$117.49
- CNC Machined Aluminum
- Combo (Computer on top – light or camera underneath)
- WAHOO approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top - 123g / Bottom 242g on K-EDGE K13-580 Combo adapter
- Weight: 60g
- Mount Type: Clamp 31.8mm
- Mount Weight: 60g
Compatibly:
- All WAHOO Cycling Computers – ROAM, BOLT, ELEMNT, MINI
$87.99
- Direct mounting for an aero cockpit
- Strongest platform for your cycling computer and light or camera
- Compatible: Future, Venge, Tarmac stems
- Fits all Wahoo computers including Wahoo Roam
- CNC machined 6016-T6 aluminum
- Weight: 54g
- One bolt Specialized SL& stem face plate mounting system
- Includes mounting bolt and TNut
- Lifetime Warranty
- Made in Boise, Idaho USA
$172.00
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
$49.99
The K-EDGE Garmin Stem Mount is a great upgrade solution for cyclists who prefer their computer above the stem. Mounting off of the steerer tube, the mount replaces a standard 5mm spacer, and is locked securely in place by the top cap compression system.
The fixed version is recommended for zero degree or negative degree stem angles. Can also be used with positive degree stems if additional spacers added (5mm to 10mm) above the stem.
Designed with mountain biking in mind, the K-EDGE Stem mount is also ideal for much more including: cyclocross; triathlon; bike touring; or if you simply prefer this position for your computer.
- Compatibly – 1-1/8" Steerer tube Diameter, Thickness (@ Steerer) – 5mm, Length (Center-to-Center) – 50mm,
- Recommended for 0 Degree to Negative Degree Stem Angles
- Supported Computers – Garmin Edge 20, 25, 200, 500, 510, 520, 800, 810, and Forerunner 310XT
- CNC Machined 6061-T6 Aluminum Platform, Injection Molded Copolymer Interface
- Made in Boise, Idaho, USA
- Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.
$188.00
- Shift buttons mounted to the end of a bar plug
- Included wire connects to Blip Box
- Fits bars with 19 - 20.5mm inside diameter
$242.99
- 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
$89.99
An excellent choice for mountain, cross, and road cyclists who prefer to have the computer above the stem.
- Far and away more advanced than the plastic options on the market
- Boost Stem Mount is specifically designed to fit atop the shortest stems on the market today
- The Gravity Cap replaces your existing top cap and is ideal for Downhill, Enduro, Gravel, Touring, etc
- The mount replaces a standard 5mm spacer and is locked securely in place by the top cap compression system
- Compatibility: Wahoo ELEMNT, Wahoo Roam, Wahoo Bolt, Wahoo MINI
- CNC-machined aluminum for low weight and strength
- Made in the USA with a lifetime warranty
- Stem mount that is for short, steep stem angles boosting the computer up above by 1cm
$49.99
- Dual-band Bluetooth and ANT+, magnetless sensor with integrated accelerometer
- Quick pairing with CatEye Cycling app (Bluetooth)
- Waterproof IPX7 (based on JIS C0920)
- Works with Padrone Digital, Padrone Smart+, Padrone Smart*, and Strada Smart*
*For Padrone Smart and Strada Smart, works in Mirror Mode only
$94.99
- CNC Machined Aluminum
- Combo Compatible (K13-580 adapter sold separately)
- GARMIN approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top 123g / Bottom 242g with combo adapter
- Weight- 47g
Compatibility:
- GARMIN Cycling Computers smaller than EDGE 1000, 1030 style (example EDGE 820)
- Combo compatible (GoPro-style light/camera interface) K13-580-BLK adapter sold separately
$64.99
- Easy to mount smartphone case holder
- High resistance against impacts
- 360 degrees adjustable angle
- Quarter-turn type mount allows to place the phone in portrait or landscape mode
- Waterproof, touch-screen compatible cover included
$42.99
Shimano Di2 Frame Junction Box
- Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
- 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 from http://e-tubeproject.shimano.com/
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