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Renthal R3-3 SRS 520 O-Ring Chain

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Renthal R3-3 SRS 520 O-Ring Chain

The R3-3 chain replaces the R3-2 O-ring seals and now incorporates Renthal’s SRSTM (self-regulating seals) system which greatly increases chain life. The SRSTM upgrade brings with it a 40% increase in chain life at no additional cost, thanks to the improved sealing properties around each pin.

The special SRSTM system is pre-loaded during assembly, creating a spring effect. As a chain wears, conventional O-rings and. . . Show More >