Pro Taper - 428 MX Chain Custom eliminating the ability for the

eliminating the ability for the guard to slip out of location

the 520MX is able to absorb shock loads without stretching and landing you on the box

Longer wear life than RK Standard Chain

Front chain slider incorporates sound damping pads to reduce chain slap noise

1991-UP KTM 125cc-Up 2-Stroke Dirt Models

Pro Taper - 428 MX Chain Custom eliminating the ability for thePremium gold series motocross chain. Built for smaller displacement motorcycles, the PT428MX uses all the same technology and innovations as the bigger 520 MX chain. Designed for up to 125cc applications. Lightweight, ultra high strength chromoly construction with a 5,800 lbs. tensile strength.