Transform your existing RockShox Pike, Lyrik or Yari suspension fork into the ultimate trail fork. The ACS3 coil conversion kit combines small bump sensitivity, traction, and mid stroke support of a coil with the big hit performance of an air spring. By using coil springs, you can eliminate the constant maintenance required to keep your fork running optimally!

• Reduced friction for smoother overall fork performance
• Air Bump Stop cartridge technology to control the bigger hits towards the end of the travel
• Fits 2014-2017 RockShox Boost 27.5 Pike/2018-Current 27.5 and 29 Pike
• Includes Air Bump Stop, Lower Plunger Rod, retaining ring and travel indicator