
Moose Offroad Hard Rear Sprocket - Parts (ref. 1211-251-51-10): 51-tooth crown made from 7075 T651 aluminium, designed for Offroad use (enduro, motocross). Machined 100% and heat-treated, it features an optimised tooth thickness for precise contact with the chain at a pitch of 520, all in a sleek black finish suitable for demanding terrains.
Designed to provide reliable tooth geometry and suitable thickness, this aluminium crown is aimed at riders looking for a lightweight and durable part for their machine's transmission. Before installation, check compatibility with your model (number of teeth, pitch, and bolt spacing). Examples of frequently equipped motorcycles: YAMAHA YZ 125 (2021), HONDA XR 250 R (ME06), and YAMAHA YZ 250 F (2019).