
PBR C45 Steel Sprocket Standard 4478 - 428 (50 Teeth)
A final drive component by PBR, this sprocket reference 4478 50 C45 is designed for small urban motorcycles equipped with a 428 pitch chain. Designed for standard replacement, it retains the original dimensions to ensure a precise fit with compatible sprockets and chains.
Machined for direct mounting on compatible transmissions, this sprocket is intended for riders seeking a reliable replacement part that conforms to original specifications. Its black finish facilitates aesthetic integration on small enduros and motorcycles while remaining discreet for urban use.
Main compatibilities: BETA RR 50 MOTARD (2025), BETA RR 50 ENDURO (2025), BETA RR 50 MOTARD TRACK (2024). Before installation, check the number of teeth, chain pitch, and bolt spacing to ensure proper fit. For a clean and durable installation, prefer tightening to the recommended torque or having it done in a workshop.