



The PBR standard steel sprocket 518 - 630 (manufacturer reference 518 15 18NC) draws on competitive expertise to provide a reliable transmission solution for discerning motorcyclists. Designed for road use and roadsters, this compact sprocket prioritizes strength and longevity thanks to a high-quality competition-grade steel alloy.
This sprocket replaces the original part on several older models and roadsters, providing a straightforward solution for restoring the primary transmission. Its 18NCD5 steel design minimizes wear in service and withstands the usual stresses of the chain without claiming to exceed manufacturer specifications.
Compatibility (examples):
Brand: PBR — Category: Sprocket. Ideal for maintenance interventions and restorations on classic roadsters.