Crank Arm Cadence Magnet 4mm Computer Band Magnet Sensor Universal Crankarm Fit

$8.99
Universal 4mm Crank-Arm Cadence Band Magnet
•  Fits wide range of crank arm shapes
• Band extends outward 4mm from the crankarm towards the frame when installed
•  Universal : Works with all computer cadence sensors
•  Slip on band cadence magnet
•  Provides additional clearance for when frames are close to the crank arms.
•  See our store for the 5mm, 9mm and 26mm thick band-magnets