Msr® / regina professional mx / cross country chains
Chain
The lightest weight with maximum performance
The gold standard chain with shot-peened alloy steel plates and special chromized pins for long life and the highest MX and Cross-Country performance
415 RS
Suitable for up to 80cc
Average tensile strength of 4,300 lbs.
1.9 lbs. for a 120 link chain and narrower than the 420 RX3 to fit the thinner sprockets that use the 415 chain
Gold outer plates
420 RX3
Thicker and wider outer plates for improved life span
Average tensile strength of 4,700 lbs.
2.1 lbs. for a 120 link chain
O.E.M on KTM motocross models
428 RX3
Less than 3lbs. for a 120 link chain, beveled inner plates
OEM on KTM SX85
5,060 lbs. tensile strength
520 RX3
Suitable for up to 500cc use
Average tensile strength is 7,650 lbs.
Beveled inner plates reduce chance of chain derailment
O.E.M on KTM motocross models
NOTE: All MSR/Regina chains are PRELOADED to increase fatigue strength and wear resistance, or PRESTRESSED to provide quick break in for minimal adjustments.
NOTE: See CHART for chain type and length
Msr® / regina professional mx / cross country chains
