The outer floor on the hub includes 12 cams so built to hold 12 rollers inside a cage between them plus the outer race. The outer race is splined for the overdrive outer shaft. When the clutch is engaged (clutch pedal up) the motor and gearbox are related, and when https://clutchkereta57899.blogspothub.com/32197308/the-definitive-guide-to-clutch-kereta