3 mm. Made of aluminium.
Fits all Ducati dry clutches (not V4R)
SD154 - OHLINS Ducati Monster (02/08) Steering Damper
QD EXHAUST Ducati Monster S4R / S4RS (03/08) Full Exhaust System "Ex-Box" (EU homologated)
SAMCO SPORT Ducati Monster S4/S4R Silicone Hoses Kit
STM ITALY Ducati Monster S4 / S4R / S4RSTS Slipper Clutch Original
STM ITALY Ducati Monster S4 / S4R / S4RSTS Slipper Clutch EVO-GP