One Way Start Clutch Bearing for motorcycle engines Model: RSVR1000 Factory Tuono R 1000 RSV 1000 SL 1000 RSVR 1000 Quantity: 20 beads Material: Forged steel Displacement: 329/499 ml Special features: Direct replacement for parts External testing certification: ISO9001 This one way start clutch bearing is constructed from forged steel and includes 20 beads with fully assembled hardened sprague rollers.It provides stable engagement between the engine and transmission, supporting efficient power transfer.Designed for direct replacement, it fits select motorcycle models including Pegaso 650, RSV1000, RSV, SL1000, Falco, RSV Tuono, and related variants.The bearing resists wear and operates reliably at temperatures up to 105°C.It meets ISO9001 standards for consistent manufacturing quality.This is a compatible aftermarket component.Brand names are cited solely to show which devices it works with.