RK Racing BL420MRU 420 Ultra Thin U-Ring Sealed Chain (120 Link)

• MRU chains utilize RK's proprietary Ultra Thin Seal U-Rings which allows the thickness of the seal to be less than 50% of the most common O-ring seal

• MRU features 4 times longer chain life and will require less chain adjustments than comparable non-sealed 420 chains

• Lightweight, low friction, sealed, U-Ring 420 pitch chain

Great option for up to 212CC 420 sprocket motors

Typical chain lengths for CT70

+2" Swingarm CT70 / Champion - 94 Links

Standard Length Swingarm CT70 / Champion - 84 Links