The 420 ORO and 428 RH series are designed to endure the demands of offroad use
Featuring high-carbon, heat-treated pins for greater wear resistance
420 ORO
Suitable for up to 80cc use
Average tensile strength of 3,530 lbs.
O.E.M. on KTM 60
428 RH
Suitable for up to 125cc use
Average tensile strength of 5,060 lbs.
NOTE: All MSR/Regina chains are PRELOADED to increase fatigue strength and wear resistance, or PRESTRESSED to provide quick break in for minimal adjustments.
