internal drum handbrake compatible

It has adjustable  snap closure in the rear so one size fits for all

and the only feature that rolled over from the Gen4 range was the mounting orientation

packaging and clearance

Xtreme Performance - Rigid Ceramic Single Plate Clutch Kit Incl Flywheel KSZ18521-1E CVR2 internal drum handbrake compatible1E The Xtreme 184mm Race Clutch is an economically priced solution for those wanting a strong Race clutch without having to compromise on quality. The Race Clutch is a lightweight design for when every second counts. 184mm Light Diaphragm (2. 6mm) 184mm Heavy Diaphragm (2. 8mm) Clamping Force 950kg 1080kg Torque Rating 535Nm (395ft. lbs) 610Nm (450ft. lbs) Bearing Contact Diameter 44 52mm 44 52mm Bearing Load (@ 48mm) 210kg 260kg Release Travel