RockShox Steel Shock Spring 00.4118.026.013

- Designed for RockShox Vivid and Kage rear/frame shocks (running change from black to gray color on select sizes/rates) \n- A steel notched spring retainer/collar should be used on all spring rates 550 lbs or greater. Alloy can be used on spring rates 500 lbs and lower \n- For Drop Stop bottom-out bumpers and spring collars, see rear shock service parts