Box One is the top of the range drivetrain with all the bells and whistles

More pistons equal greater stopping power

Strong magnets attract

SL2 super-quick lacing provides adjustability on the fly for the perfect snug fit

New silicon printed cupped knee grip

Hope eBike Speed Sensor Magnet - Speed Sensor Magnet - Black - 6 Bolt - R32mm Images Uploaded - Ready for Review Box One is the top6 bolt mount Speed Sensor Magnet for eBikes. Available in two options R24mm & R32mm, use the document below to find out which one will fit your e bike. eBike Sensor Position Chart Features: 6 bolt rotors, Std or floating compatible Two sizes: R24mm & R32mm Available in Black, Silver, Blue, Red, Orange or Purple Comes with 2 bolts NOTE eBike manufacturers use a vast variety of magnets to interact with the sensor. These magnets can vary in size, shape