Electronics

The CycleOps ANT+ Speed or Cadence Sensor accurately tracks your speed and cadence and is used along with a power meter or with an ANT+-compatible cycling computer (power meters and ANT+ computers sold separately). This unit easily attaches on the frame next to your left crankarm and rear wheel to monitor and display your cadence or speed on your cycling computer of choice.

Giant's Continuum 7 is a simple way to get the most out of your rides. It tracks seven essential functions, including distance and speed, has a large, easy-to-read display, and uses a wired sensor and handlebar mount that attaches easily to your bike.

Replacement mount tray for Giant/Liv computers

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

- Large 2.1-Inch Screen - Separate Clock Display - Single Mode/Setup Key - Smart Light System; Backlight Responds To Light Conditions - Auto Start/Sleep - Functions: - Current Speed - Average Speed - Max Speed - Trip Distance - Odometer - Trip Ride Time - Pace - 12/24Hr Clock - Calorie Consumption

Sigma's replacement spoke magnet fits standard spokes and works with Sigma speed sensors.

- Securely holds iPhone (Specifically iPhone 3, 4, 4S, And 5) with most covers - Instant removal and installation of device - Rubber bumpers help grip and cushion device - Adjustable viewing angle can be set for preference - Handlebar mount, stem mount, and weatherproof touchscreen-friendly bag included - Maximum dimensions 2.7" Wide x 0.5" Deep x 4.7" Tall (70X14x121mm)

- Low-profile sleek design - Easy to use interface - Low battery indicator - Auto start/sleep - 4 interchangeable silicone covers - Functions: - Current speed - Average speed - Maximum speed - Trip distance - Odometer - Trip ride time - Pace - 12/24hr clock

Giant's Axact 9W is a great way to get the most out of your rides. This wireless computer keeps you bike clutter-free and tracks nine essential functions, including distance and speed, with its large, easy-to-read display. The Axact also features a low battery indicator so you know when its time to open the easy coin-release cap and replace the battery.

The ANT+ Micro USB adapter allows on-the-go devices (OTG), such as your Android phone or tablet, to connect to an ANT+ USB stick. Android OTG compatible devices require ANT+ Radio Service and ANT+ USB Service to be installed from the Google Play store. These services allow the adapter to work correctly with an ANT+ USB stick.

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.

Features - Garmin computer / Giant Computers compatible - Compatible with MY18 Propel and Contact SL stem - Mount bolt holes ready for GoPro or lights

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

Connect your desktop to CycleOps VirtualTraining.

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.

Mount your computer and GoPro action camera to Giant round handlebars with this neat solution. (Garmin & Giant Ride Sync computer mount trays required - available separately) Features - Handlebar extension mount compatible with Giant computers - GoPro compatible - Garmin computer compatible - Giant Contact SLR Aero Handlebar compatible - Aluminum alloy construction

Mount your computer and GoPro action camera to Giant SLR Aero handlebars with this neat solution. (Giant Ride Sync computer mount tray required - available separately) Features - Handlebar extension mount compatible with Giant computers - GoPro compatible - Garmin computer compatible - Giant Contact SLR Aero Handlebar compatible - Aluminum alloy construction

- For use with trainers and spin bikes only - Holds iPad Mini, Kindle Fire, Nexus 7, Samsung Galaxy 7 - Includes touch screen friendly splash-proof bag - Universal clamp attaches to all round bars up to 1.5" diameter - Viewing perspective can be set for preference - landscape or portrait - Instant removal and installation of device - Neat rubber bumpers grip and help cushion device - Mini-Tablet Holder max dimensions: - Holds devices with max dims 8.6" x 5.5" x .625" | 220 x 140 x 15mm (H x W x D)

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.

Shimano Di2 External Battery Mounts - 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

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

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).

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.

Features - Mounts underneath Contact SLR Aero Integrated handlebars - Adjustable length - Alloy construction - Hardware included

• Handlebar computer/GPS mount designed for use with Contact SLR Aero integrated handlebars (sold separately) • Mounts to underside of handlebars • Integrated Di2 front junction box mount for clean cable routing

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.

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.

KMC's digital ChainChecker is the most accurate tool for checking your chain’s elongation. - Measures up to 2.5mm elongation - Fits all chains including 11 speed - Handy electronic device - Stainless hardened metal body

It transmits your heart rate data through your Bluetooth-compatible Smartphone to your handlebar-mounted CatEye Strada Smart cyclo-computer (sold separately). Download the CatEye Cycling app for iPhone/Android and you’ll get all your ride data, and save your phone battery. Attack each ride and celebrate your successes on the bike!