This Rev Innovation Anti - Slide Axle Key Set is a game - changer for Birel ART and Comp Kart owners. It fits 50mm axles with two - peg axle key holes. The common issue of rear hubs sliding, which often leads to disqualification, is effectively solved by this simple yet powerful product. Changing hubs becomes incredibly easy with this set, and you no longer have to re - measure the rear width. If you frequently adjust your kart's width for different track conditions, like wet tracks, this axle key set ensures you remain compliant and highly competitive in races.

Using the Rev Innovation Anti - Slide Axle Key Set is straightforward. First, make sure your kart has a 50mm axle with two - peg axle key holes. Then, insert the axle key pair into the appropriate holes on the axle. This will prevent the rear hubs from sliding. When you need to change the hubs, just remove the key pair and swap the hubs. There's no need to re - measure the rear width. As for maintenance, regularly check the key pair for any signs of wear or damage. If you notice any issues, replace the key set promptly to keep your kart performing at its best. Also, keep the key set clean to ensure smooth installation and removal.