Bontrager Crank Cadence Band Magnet 9mm

Bontrager Crank Cadence Band Magnet 9mm Compatible with all cadence sensors; the Bontrager Crank Cadence Band Magnet 9mm uses a universal crank fitting to help record your data. Getting the correct sized magnet makes all the difference; allowing your cycle computer to correctly collect information on cadence to help you to train effectively.