
PBR Standard Steel Sprocket 4402 - 420 (50 Teeth)
Designed by PBR and built from competitive experience, this rear sprocket is intended for 50 cc motorcycles equipped with a chain pitch of 420. Made from high-quality 18NCD5 steel alloy, it features a sleek black finish and is manufactured under strict processes.
Versatile, this sprocket adapts to Urban, Cross, and Roadster environments. It is particularly suitable for the small-displacement models referenced: RIEJU MRT 50 SM (2025), GILERA RCR 50 (2020), and DERBI SENDA 50 R DRD X-TREM (2019). Standard mounting, please check the bolt pattern and hub compatibility before installation.
Manufacturer reference: 4402 50 F. Part intended for the replacement of standard rear sprockets — robust and designed to withstand daily use as well as more demanding conditions of light off-road riding.