Sprocket Kit KTM 520 EXC U-Ring - GB520MXU 14/50 CATEGORY_Washers New mercury-free design uses non-toxic

New mercury-free design uses non-toxic manometer fluid

125in (29mm)

All RK seals are made from an advanced Nitrile Butadiene composite for maximum performance and wear life

With a diverse range of metric tools like wrenches

Inner POM sleeve for longer life and smooth operation

Sprocket Kit KTM 520 EXC U-Ring - GB520MXU 14/50 CATEGORY_Washers New mercury-free design uses non-toxicRK chain and sprocket kits are the perfect drive maintenance kit for your bike. The perfect alternative to expensive OEM replacements, it is designed to meet and exceed OEM specifications. Supplied in presentable packaging with a carry handle for convenient transportation. Features: Includes strong and durable high carbon steel sprockets. Paired with a high quality RK chain.