Crank Arm Cadence Band Magnet 9mm Computer Magnet Sensor for CrankArms Black

9mm Crank-Arm Cadence Band Magnet   Black
• (Band extends outward 9mm towards the frame from crankarm when installed)
• Fits wide range of crank arm shapes
• Universal : Works with all computer cadence sensors
• Slip on rubberized band cadence magnet
• See our store for the 5mm and 10mm thick band magnet