Genuine Bontrager cycling computer mounting accessories and replacement parts. Genuine replacement parts Ensures proper signal strength if the magnet is too far from the sensor. - Replacement parts and accessories for SpeedTrap Digital Speed Sensor Replacement parts and accessories for SpeedTrap Digital Speed Sensor - Spacer is required on some forks to position sensor closer to wheel magnet Spacer is required on some forks to position sensor closer to wheel magnet
