
Manufacturer Ref: 1211-251-48-11
Rear sprocket / crown MOOSE OFFROAD HARD - PARTS made from 7075 T651 aluminium, specially designed for enduro and motocross practices. Built and machined to remain straight under load, it maintains an optimised tooth thickness for maximum contact with the chain, without compromising assembly precision.
Designed for demanding riders, this crown emphasises machining precision and dimensional stability: the specific treatment of the alloy limits deformation and ensures optimal tooth thickness. Ideal for use on tracks and trails, it fits 520 pitch transmissions and is suitable for rear mounts where strength and chain/tooth contact are crucial.
Check compatibility with your machine before installation. Examples of compatible motorcycles: YAMAHA YZ 450 F Monster Energy Racing Edition (2021), YAMAHA YZ 450 F (2021), YAMAHA YZ 250 F Monster Energy Racing Edition (2021).