Vespa Clutch Unit 21 Tooth Cosa, PX 125cc + SIPR Basket Piston Rings Includes loose needle roller bearings

Includes loose needle roller bearings and 15mm shaft type roller bearing 42mm o/d

DERBI Senda 50

If it is only the gear cogs that need replacing

250 ZAPM45102 4T LC ´06

Vespa Clutch Unit 21 Tooth Cosa, PX 125cc + SIPR Basket Piston Rings Includes loose needle roller bearingsVespa Clutch Complete 21 Tooth PX, T5 Upgear, Cosa 125cc See Beedspeeds Info Pages for Vespa Gearing Charts Performance Checked and Reworked by Beedspeed. With SIP Sports+ (Reinforced Ring) Clutch Basket Fitted "? 115mm, ?i 108mm, compressed and hardened basket, 16 times riveted+reinforced, and Reinforment Ring Ring Can be used with standard 8 spring setup or 16 spring if preffered "On tuned engines, due to the high number of revs, the clutch baskets