RockShox Metric Coil Spring - 134mm Length 47.5 - 55mm Travel 550 lb Electric Red

Metric Coil springs are available in many sizes and weight ratings allowing riders to take full advantage of their shock's rebound and compression adjustments by dialing in the spring rate and setting the correct suspension sag.Coil springs are available in many sizes and weight ratingsEach are available separately and are not included with aftermarket shocks