



PBR Steel C45 Hardened Crown 4643 - 530 (Manufacturer Ref: 4643 40 C45T)
Designed for demanding roadsters and touring motorcycles, this PBR monobloc crown is made from hardened and tempered C45 steel. Its CNC machining and induction treatment on the tooth area enhance the structure where the chain works the hardest, resulting in a robust part with a polished black finish.
Leveraging PBR's expertise, this crown features precision machining (CNC) and localized heat treatment on the teeth through induction. These characteristics aim to improve wear resistance and durability in contact with the chain, making it suitable for intensive road use and long-distance rides.
Common Compatibility (examples):