RS 2017 SID AIR TOP CAP (SPLINE)FORK SPRING AIR TOP CAP - 32mm SPLINE (INCLUDES TOP CAP, VALVE COVER, USES CASSETTE TOOL) - SID B1-B4 (2017-2020)/SID SL C1+ (2021+)/REBA A7 (2018+), REBA 26 (2020+)

11.4018.012.011

FORK SPRING AIR TOP CAP - 32mm SPLINE (INCLUDES TOP CAP, VALVE COVER, USES CASSETTE TOOL) - SID B1-B4 (2017-2020)/SID SL C1+ (2021+)/REBA A7 (2018+), REBA 26 (2020+)

See Dealer Network

For full parts breakdown please visit https://www.sram.com/en/service for the latest RockShox parts catalogue