SM "Power Clutch .21" 3 Shoe Adjustable Clutch System
SM has just introduced the new ?Power Clutch .21° clutch system for off road racing.
Guaranteed to satisfy the arising demand of a three shoe clutches the "Power Clutch .21" Clutch System is reliable, durable and moreover adjustable.
The principal characteristic of Vario three shoes clutch, more than its standard quality, is related to the ability to adjust its working characteristics without changing springs like on standard clutches.
Rotate the tightening cap that closes the clutch to obtain two optional positions that increase or decrease the spring preload and, consequently, the clutch working curve.
