RockShox Fork Spring Dual Position Air Knob - Revelation A1+/Pike A1+/Lyrik A1+/Yari A1+/Zeb A1+:

Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service.