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Electronics

$169.99
- 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

$69.99
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

$50.00
SRAM eTap batteries are literally a snap to remove and charge. Just flip the tool-free battery latch up and slide the battery up and out of the derailleur. Then snap the battery into the USB powered charger and connect the charger to any USB power source or A/C USB adaptor. A full charge takes just 45 minutes to complete.
- Finish: Black
- Compatibility: SRAM RED eTap

$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

$14.99
Garmin's Bicycle Mount Kit lets you attach any compatible Garmin to your bike's handlebars, so the data stays out in front where you can see it.

$4.99
Garmin's set of Bike Cadence Sensor Replacement Bands fasten your Bike Cadence Sensor (sold separately) to any size crank arm.

$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.

$39.99
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.

$14.99
Protect your Garmin Edge 1000 with a form-fitting, silicone case and keep your mind at ease. Choose from a variety of cool colors to match your personal style.

$249.99
Make every ride count with Edge 130 Plus.
Never stop cycling with this compact GPS bike computer. Whether you ride to explore new trails or to save the planet in your daily commute, go with Edge 130 Plus.
- No more excuses. Wirelessly sync workouts right to your Edge device.
- Are we there yet? The ClimbPro feature helps you gauge your effort on a hilly route.
- Know where to go. Thanks to easy-to-follow navigation with turn prompts.
- Extra awareness and incident detection. Peace of mind for you and your fans back home.
- Stay in touch while you’re on your bike with a variety of connected features.
- Get more from every charge — up to 12 hours of battery life in GPS mode.
In the box:
- Edge 130 Plus
- HRM-Dual
- Standard Mount
- USB cable
- Tether
- Documentation

$549.99
Introduce the rider you are today to the one you’ll be tomorrow. The Edge® 840 Solar touchscreen cycling computer offers targeted adaptive coaching when used with your compatible power meter and heart rate monitor. It helps you manage your efforts by providing power targets throughout a course plus stamina insights, so you know how much gas is left in the tank. Ride longer with solar charging, and get superior accuracy under dense tree cover or the urban canyon, thanks to multi-band GNSS technology. It features button controls that work in any environment matched with a responsive touchscreen so you can tap, pan and swipe on the fly. Whether you’re riding roads, trails, gravel or indoor, you can benefit from insights and workouts that will help you understand your strengths and weaknesses and prepare for upcoming races or personal milestones.

$69.99
This premium heart rate strap transmits real-time heart rate data over ANT+ connectivity and BLUETOOTH Low Energy technology, giving you more options to train indoors, outdoors or even online. With it, you’ll be able to consistently receive accurate heart rate on your Garmin device, in online training apps such as Zwift or even the compatible fitness equipment in your favorite class at the gym. So however you like to train, you’ll get the accurate, real-time heart rate you need to take your performance to the next level.
HRM-Dual features a soft strap that is comfortable and adjustable. Simply remove the heart rate module, and it’s washable, too. And don’t worry about running out of juice. The battery lasts for up to 3.5 years.

$69.99
Train more effectively with Garmin’s Premium Heart Rate Monitor. The strap is soft, with nearly infinite size adjustment, ensuring a secure, comfortable fit across your chest. This ANT+ monitor wirelessly transmits your heart rate to your compatible device for instant feedback on how hard you’re working. It's optimized for use in crowded areas, like gyms and group riding, so it will only pick up your signal. And, the plastic heart rate module easily unsnaps from the soft strap, allowing for hassle-free laundry.

$699.99
Rally XC100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding.
- Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to increase reliability. Featuring a superior design with sensors housed inside, this pedal installs like any other pedal. And it's quick to transfer between bikes.
- Reliable Readings—By reliably measuring your cadence and forces detected on the left pedal, Rally XC100 doubles the value to provide total power. Want more metrics? Upgrade later to the dual-sensing system (sold separately).
- Cleat Compatibility—For a comfortable ride, this pedal is designed to fit your favorite Shimano SPD cleats.
- Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round with a transferable spindle that can be installed in the Rally RS/Rally RK road pedal body kits (each sold separately).
- Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life.
Specs:
- Battery type: LR44/SR44 (x4)
- Battery life: up to 120 hours (with LR44 battery type)
- Weight: 316g
- Water resistance: IPX7
- Max. rider weight: 105kg
- Accuracy: +/- 1.0%
- Cleat type: Shimano SPD
- Q-factor: 53/55mm with supplied spacing washer
- Stack height: 13.5mm
- Field calibration
- Adjustable release tension
- Garmin Connect
- Measurement location: Spindle
- Communication: ANT+ and Bluetooth
In the Box:
- Rally XC100 pedals
- Cleat hardware
- 55mm Q-factor washers
- Documentation

$399.99
It sees what you can't. Varia RCT715 rearview radar with camera and tail light continuously records your ride and automatically saves footage before, during and after events if it detects an incident. The bright tail light makes you more visible to motorists. And Varia RCT715 integrates seamlessly with your Garmin bike computer or the Varia mobile app on your paired compatible smartphone to alert you to traffic as you ride. The app allows for live video viewing for camera setup, plus video transfer so you can replay footage postride. A selection of operation modes lets you flex camera and tail light features to maximize battery life for longer rides.

$79.95
Topeak's PanoBike Bluetooth Smart Heart Rate Monitor turns your smartphone, tablet, or any Bluetooth Smart Ready device into your personal trainer. With the free PanoBike app installed on your device, this water-resistant soft-sided chest strap will transmit over 1,800 hours of operation at a range up to 30 feet.

$59.95
Topeak's PanoBike Speed & Cadence Sensor turns your smartphone, tablet, or any Bluetooth Smart Ready device into your personal trainer. Install the free PanoBike app, or any other Bluetooth-enabled speed/cadence app, and this water-resistant easy-to-mount sensor will get over 1800 hours of operation at a range up to 30 feet, telling you exactly how fast you're going and how quickly you're pedaling.

$24.99
Enjoy easy viewing on your Sigma Rox 10.0 GPS Unit with this out-front handlebar mount.
*Note: Out Front Mount for SIGMA ROX 10.0 GPS ONLY. Will fit 31.8 mm diameter bars only.

$19.99
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

$6.99
Sigma Sport's Cadence Power Magnet is the correct replacement magnet for any Sigma Sport computer featuring cadence (computers sold separately). It attaches to your crankarm with zip ties and double-sided tape (both included).

$184.99
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

$132.99
Shimano Di2 External 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

$299.99
Pioneer's power meters are simply some of the best power-monitoring systems on the planet, and the SGX-CA500 computer is your chance to get the most out of your power meter and have a world-class data display. Pioneer has created the first, and only, power meter that measures power output and pedaling stroke efficiency for each individual leg, and the SGX-CA500 lets you analyze this data in real time. A few quick swipes give you access to your state-of-the-art ride data, and intuitive controls allow for scrolling, zooming, and screen customization to let you see what you want, when you want it. The 1.87-inch LCD screen makes it incredibly easy to see critical data, even if you are on the rivet up the final climb. As an added bonus, users of Shimano’s Di2 electronic road bicycle shifting system can now utilize the SGX-CA500 to track gearing and system status as they ride.
- Delivers high functionality for practical situations, in a small, lightweight (75 g) package
- Visualizes pedaling state and efficiency through graphical displays of force vectors (when used together with a pedaling monitor sensor)
- Enables new modes of training focused on pedaling skill development
- Displays over 100 data types, such as power, cadence, speed, and incline, all in real time
- Easy, intuitive touch-panel operation, even when wearing full-finger gloves
- Upload data to Cyclo-Sphere, our online data analysis service, via USB or Wi-Fi connection (Wi-Fi Internet connection required)
- Weight: About 75 g
- Dimensions: 58 mm (W) x 58 mm (H) x 19 mm (D) (without projection parts)
- Connector: microUSB
- Water-resistance: This device has a water-resistance rating of IPX-6/IPX-7
- Communications system (sensors): ANT+
- Communications method (network): Wi-Fi
- Positioning system (latitude/longitude): GPS
- Positioning system (altitude): Atmospheric pressure sensor
- Display: 160x128 pixel, horizontal 1.87-inch outdoor type, Black and white touch panel (resistive touch display)
- Built-in flash memory: 4 GB (user available capacity 3 GB)
- Guaranteed operational temperature range: -10 to 50°C
- Charging temperature: 0 to 45°C
- Power supply voltage: DC 5V
- Battery type: Lithium-ion battery
- Battery operating time: Approximately 12 hours (the battery operating time may decrease depending on the operating conditions)
- Charging time: Approximately 4 hours (Power off or normal charging)
- Accessories: Bracket, USB cable, Strap, Quick Start Guide, Warranty card, Important Information for the User
- Specifications and design are subject to change without notice.

$40.00
Want to see how many miles you commute or track your calories on a fitness ride? Liv's Catena 9W Wireless Computer does all of this along with 7 other functions including speed, ride time, and alarms. An LED backlight makes the information easy to read and a replaceable silicone color case keeps the Catena protected for the long haul.

$53.00
GNT ANT+/BLE 2-in-1 Speed & Cadence Sensor Black
Product description
- ANT+ and Bluetooth low energy compatible speed and cadence sensor
- Attaches with included zip-ties to the frame
- Includes mounts, sensor, and magnets

$61.00
Giant's Axact 13W is a great way to get the most out of your rides. This wireless computer tracks an impressive thirteen essential functions, including distance, ride time, current, average, and max speeds, plus eight more. It has a large, easy-to-read display, and features auto start, stop, and sleep modes. A low battery indicator on the Axact let's you know when it's about time to open the easy coin-release cap and put in a new battery.
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