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

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

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.

Between its large screen and easy wireless setup, CatEye's Padrone is great for those who want a simple, squint-free cycling computer. It's packed with essential features like speed, distance, and time, plus the auto start/stop means you'll always have an accurate ride time and distance for tracking your progress. Analog speed sensor included. Functions: - Current, Max, and Average Speed - Trip Distance - Elapsed Time - Odometer - Clock

Wheel magnet for all CatEye cycle computers

Now thinner and more stylish, the Urban Wireless is the evolution of CatEye's simplified wireless computer. In addition to the standard ride data you’ve come to rely on, the Urban Wireless now packs even more punch with a programmable odometer and menu screen. Installs easily on almost any bike, including 27.5 and 29ers. A large display and calorie consumption feature make it easy see the benefits to your health. - Includes speed sensor, spoke magnet, FlexTight handlebar mount, and two CR2032 batteries

The Beetle 6 is a larger version of the BiKASE Beetle that has been stretched to accommodate the iPhone 6/6S Plus and other large mobile phones. Storage space underneath phone compartment for energy bar, wallet, keys, or tools. Mounts securely to the top tube using Velcro straps and shock cord around stem. - Pocket fits iPhone 6/6S Plus and other larger smart phones - Clear cover allows device visibility and operation - Mounts to top tube or stem - 2 multi positional straps & shock cord for mounting - Internal lastic stiffener and anti-slip fabric bottom - dual zippers - 8" x 4" x 2"

The SuperBand is a tough, lightweight, and simple solution to attach virtually anything to your bike. - Fits all size smartphones with or without a case (iPhone 10/X, 11, X plus, 7, plus, 8 plus, Samsung Galaxy, Samsung Note, Google Pixel 2, Google Pixel 2 XL, OnePlus, etc.) - Easily holds down small items such as a light jacket, sunglasses, energy bars, pump, tubes, C02 cartridges, water bottle, flashlight, Bluetooth speaker, etc. - Easily attaches to the top tube, stem, or seat post using durable rubber O-rings (2 sizes included) - Can be attached to the water bottle bolts or a separate water bottle bracket - Use on a bicycle, golf cart, stroller, ATV/UTV

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.

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.

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.

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 cadence magnet pedal insert is designed for tight installation situations. The principle is simple, yet space-saving: the power magnet attaches to any steel pedal spindle by magnetic force alone. From there, it triggers the cadence transmitter with each crank revolution.

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).

Connect your PC to CycleOps VirtualTraining.

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

Significantly smaller, the SRAM eTap AXS BlipBox is now easier to integrate — mounting inside a stem faceplate cap, feed box, or frame. It's also AXS enabled, for easy personalization. Simple, intuitive, aero. - Replaces standard drop bar shift levers - Simple and intuitive eTap shift logic - AXS enabled for easy personalization - Limitless aero configurations - Two ports per side for Blips - Fits the included optional stem mount - Compatible with existing eTap Blips and Clics - Mounts inside stem faceplate cap, feed box or frame

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.

Pioneer's Shimano Dura Ace 9000 Power Meter is a revolutionary power meter that attaches stealthily to the left crankarm. The Dura Ace 9000 left crank arm meter allows every rider power-based (also called watt-based) training performance, allowing you to fine-tune your pedaling to find race-winning form without breaking the bank. With advanced technology accurate to +/- 2%, ANT+ transmitting, active temperature compensation, and a mere 22 grams of weight, the Pioneer power meter is perfect for any cyclist. Additionally, installation is fast, simple, and clean with zero wires, magnets, or zip ties. If you find yourself addicted to the data and crave more, upgrade kits that retroactively add drive-side power are available (sold separately).

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

GNT Alloy GPS Mount for TT Bar Black Product description - Time Trial GPS mount - Alloy construction - Giant & Garmin computer trays included - 22.2mm / 24mm handlebar compatibility

GNT Alloy Out-Front GPS & GoPro Mount for Round Bar Black - Team edition GPS extension mount - Alloy construction - Giant & Garmin GPS compatible using supplied trays - GoPro accessory compatible - 31.8mm round handlebar clamp

-Giant's ANT+/Bluetooth compatible heart rate sensor

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.

GNT Axact 13W Mounting Kit Product description - Includes sensors, mounting bracket, shims, magnet, and zip ties

GNT Axact 13W Replacement Mounting Bracket Product description - Includes mounting bracket and zip ties

GNT Axact 14W Wireless Speed Sensor Product description - Replacement wireless speed sensor for Axact 14W computers

Giant's Axact 6 is a simple way to get the most out of your rides. It tracks six essential functions, including distance and speed on a large, easy-to-read display. The wired sensor and handlebar mount attach easily to your bike, and a simple low battery indicator lets you know when its time to open the easy coin-release cap to change it.

GNT Axact 6 Wired Mount Kit w/ Speed Sensor & Magnet Product description - Kit includes mount, sensor and magnet

GNT Axact 9/11 Mounting Kit Product description - Includes sensors, mounting bracket, shims, magnet, and zip ties