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Honda CRF450 & CR250

STM has incorporated their patented Evoluzione diaphragm spring design into a clutch system for the Honda CRF450. Utilizing the factory supplied basket and clutch plates the STM slipper clutch has demonstrated itself to work very effectively in a wet environment. The outstanding choice for Supermotard racing, also proven to be a winning component in Motocross - just ask Brian Jorgenson of Team Tiscali Honda! On the track, on the street, the STM slipper clutch maintains rear wheel contact with the ground and eliminate wheel hop when downshifting.


Suzuki GSXR1000

Not content to rest on the laurels with their race winning Ducati slipper clutches, engineers have developed an all new design for the Suzuki GSXR1000. Incorporating the patented STM Evoluzione diaphragm spring mechanism, the GSXR slipper clutch  utilizes own clutch basket and clutch plates and works exceptionally well as a wet clutch. On the street and specially on the track, the STM slipper clutch will eliminate wheel hop when downshifting and help maintain rear wheel contact with the pavement. If you don't have these on your racebike yet, the guys passing you probably have one on theirs !

Yamaha R1

Now Yamaha R1 owners can also enjoy the benefits of an STM slipper clutch. STM created its desgin exclusively for the R1, incorporating their patented Evoluzione diaphragm spring technology. Using the factory clutch basket and clutch plates, STM slipper clutch will decrease lap times by maintaining rear wheel contact with the pavement eliminating wheel hop while downshifting. The best solution for the track and the street !

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