The Hope E-Bike Speed Sensor 6 Bolt R32 is for 6 bolt rotors, standard or floating.Hope E-Bike Speed Sensor 6 Bolt R32 FeaturesCompatible with all Hope Technology 6 Bolt rotors.R32 sensor designed for bikes with a magnet 32mm from axle centre point.Sensor is 3.5mm thick and requires 4.5mm clearance.
Best Price: £12.50 from Leisure Lakes Bikes