The Wahoo RPM speed sensor is the sleek, magnet-less solution for capturing cycling speed data. It easily mounts to your bike's front wheel hub, and the Bluetooth Smart and ANT+ dual band technology allow you to connect to and display data on both smartphones and bike computers. Tracking speed data has never been this easy. - Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers. - No tangled wires on your bike to connect the sensor to your device. - The RPM speed installs easily with no magnets required - It only weighs 16.5 grams with the mount included - Provides accurate speed data during your ride - Mounts on most front wheel hub with a secure silicone casing - Two LED lights show the sensor's device connection (blue) and speed detection (red) - No charging required! Operates on a coin cell battery for up to 1 years. - RPM Speed will fit with most bikes and frame sizes

If you're really serious about your trainer sessions, check out Kurt Kinetic's Pro Flywheel. It attaches quickly and easily to your Road Machine or Rock and Roll flywheel (sold separately) for a total of 18 pounds. It takes your Kurt Kinetic trainer's already stellar real-road feel and ups the realism, which is a must for hard-core endurance workouts, like tempo and long distance rides. You'll also experience longer wind-ups when doing sprint intervals and a longer coast-downs.

Kinetic's Riser Ring lets you level your bike when you're riding on your trainer. Plus, there are 3 other steps that let you simulate climbing by elevating the front wheel. The Riser Ring is simple to use and stable for excellent support. - Designed for the following Kinetic trainers: the Road Machine, Magnetic, and Cyclone

Minoura Training Accessories like the ANT+ Minoura Heart Rate monitor with belt is a fantastic complement to your favorite trainer or roller. - Pickup and transmit your heart rate data with a comfortable fit - Low energy ANT + (2.4GHz) wireless protocol - Minoura is an official ANT + Alliance member - Universal on every ANT + device - Net Weight: 67 grams (including battery) - Battery: 1 x CR2032

Minoura Training Accessories like the ANT+ Minoura Speed/Cadence sensor (SPD/CD Separate type) are a fantastic complement to your favorite trainer or roller. - Pickup and transmit the speed and cadence data - Separate type - Low energy ANT+ wireless protocol - Minoura is an official ANT+ Alliance Member - Universal on every ANT+ device

Kurt Kinetic's 12mm Traxle Through-Axle lets you attach your mountain bike to a Kinetic trainer without changing the original skewer. The Kinetic Traxle comes in 3 thread pitches: - T-2101 Coarse: M12 x 1.75mm - T-2102 Medium: M12 x 1.5 - T-2100 Fine: M12 x 1.00mm (Fine XL has the same thread pitch and is a longer version of the fine Traxle)

The Internal Chain Actuated Cone Cup is designed to work with chain actuated internal rear hubs, including Sturmey Archer. It also works perfectly with pre-2018 Brompton folding bicycles.

This cone cup replaces the threaded cone cup on pre-2013 Rock and Roll trainers and is the mounting solution for carbon Trek Speed Concept frames that require a smaller cone cup on the drive side of the trainer than the pre-installed version. - Only compatible with the Rock and Roll trainer - This cone cup's smaller outside diameter fits makes it compatible with carbon Trek Speed Concept bikes (aluminum Speed Concept bikes are compatible with the Standard Cone Cup) - Use this cone cup on the drive-side of the Rock And Roll trainer (it is not necessary to replace both cone cups)