JT SPROCKETS Steel Standard Rear Sprocket 828 - 520 JTR828.42 yamaha-yz-250-250-1977-esi1593099 Made of durable nylon -

Made of durable nylon - Provides long durability and protects the chain from external influences

as well as in a standing or hanging position

Bespoke and unique L shaped design

Waterproof design - can withstand tough environments

JT SPROCKETS Steel Standard Rear Sprocket 828 - 520 JTR828.42 yamaha-yz-250-250-1977-esi1593099 Made of durable nylon -With their leading edge technology and using only the highest grade of special steel alloys, JT Sprockets produce a full range of superior quality motorcycle front and rear sprockets. Ultra durable high carbon C49 steel Chain_pitch: 520. 0 Material: Steel Rear_sprocket_teeth_count: 42. 0 Rear_sprocket_type: 828 Rear_sprocket_version: Standard