Unlike a conventional magnetic closure

and bar-end mount make it simple to install and remove

Fit Shimano freehub splines

Fits SRAM S2200

Measure trainer at the widest setting and measure the bike frame width at the rear hub

Wahoo RPM Cadence Sensor can be discounted Unlike a conventional magnetic closureWireless Bluetooth and ANT+ Cycling Cadence Sensor The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy.