Slim design and cut away corner for improved floorboard clearance

Rescue in Improved Power Transfer to Rear Wheel

Installs with no modifications and includs and including Upgrade

Aluminum screws on top

compact design (not road-approved)

RK CHAIN RK420MXZ 124C 420MXZ-124-CL aeon-cobra-50-50-2004-esi6227111 Slim design and cut awayAll RK Chains Are Pre Stressed and Pre stretched to Ensure Equal Load Distribution and Minimal Maintenance , They are Made of the Highest Grade Medium Carbon Alloy Steel Available, with All Components Shot Peened and Heat Treated, Made for the Serious Motocross Racer , Feature chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength , Chain Includes Clip Connecting Link