4-shoe clutch, adjustable springs, etc. 5x13x4 inner bearing and a 5x11x5mm outer bearing. We used a larger outer bearing to increase durability. Most clutches use a 5x10x4 bearing which must be changed very frequently. They are required for cars that use a 13t clutch bell.

But if you are running 14t or higher (14 or 15 is preferred on our buggy), there is no reason not to use a larger bearing. So we designed new clutch bells that can take advantage of this. The 5x11x5 will last a lot longer than a 5x10x4 and they aren't as susceptible to failure since there is a lot of extra support. We would still suggest checking them often and even changing them out regularly, but we think there will be far less DNF's due to bearing failure.