
The PBR crown ref. 501 41 C45 is a simple and efficient transmission part, designed for chain transmissions with a pitch of 630. Made from C45 steel, it offers a good balance between mechanical strength and machinability, suitable for both Cross and Roadster uses.
Drawing from PBR's experience in competition, this crown is manufactured according to strict processes to ensure a diameter and tooth profile that comply with industrial tolerances. It is a simple and reliable solution for replacing a worn crown or reverting to a standard configuration after modification.
Examples of compatible motorcycles (non-exhaustive indication):
Installation and maintenance remain crucial: check the condition of the chain, sprockets, and the recommended torque during replacement to preserve the longevity of the transmission.