MyChron Aluminum Axle Collar, specify size

Brand: AIM Sports

The Aluminum Axle Collar from AiM is an easy way to trigger your magnetic speed sensor (not included) to monitor rear wheel speed on your kart's MyChron dash. The collar is designed to slip over your axle tube, held in place by a setscrew (included). Each collar has a single trigger magnet embedded in it. Sold individually; select the size that matches your rear axle OD.

For use with the Kart Rear Axle Speed Sensor, Part No. MC-145 (sold separately).

Junior Dragsters can use the special 3/4" ID Magnetic Jackshaft Collar (Part No. MC-147) to monitor jackshaft speed.