It seems like every season another suspension manufacturer comes online with the latest coil-sprung shock, guaranteeing unprecedented ground-hugging rear tire traction. In addition to the two largest brands, there are fantastic options from Extreme Racing, MRP, Push, DVO, X-Fusion, Cane Creek, Öhlins, Fast Suspension, and others. The only suspension brands we could think up that are not producing a modern coil shock are Formula, Manitou, and SunTour, and it’s a good bet that they too have something springy in the works.

Coil shocks are loved by mountain bikers around the world for their lack of stiction, traction providing prowess, and consistent ride feel regardless of weather conditions or descent length. Their faults include some added weight, occasionally inadequate spring rate options, and the cumbersome task of swapping springs between different rides or riders. While most linear spring lovers can deal with the extra grams, adjustability has forever been the bane of the coil. It’s like having an air shock that can only be pumped up to one precise pressure, regardless of the day’s trail or the rider’s evolving riding style. The folks at Sprindex have stepped in to fix that issue.

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