RockShox 11.4018.026.022 Air Shaft SID B1 100-27 Model=AI Alert 250 Rear Light and durable ski for training

and durable ski for training

water-resistant front insulation

For fast and dependable ski and snowboard tuning prior to sharpening the ski edge

The PU membrane is designed to retain moisture while transporting it from the inside

Compatible with 9-11 speed chains

RockShox 11.4018.026.022 Air Shaft SID B1 100-27 Model=AI Alert 250 Rear Light and durable ski for trainingAir piston shaft assembly only (mnimum required part to adjust travel on 2013+ Reba, Sid B, Revelation, Pike, Yari and Lyrik SoloAir forks) Does not include top cap, top out bumper, negative air assembly, wavy washer or stanchion c clip For complete SoloAir assemblies see Air Spring Kits Not compatible with Dual Air forks TECH SPECS model SID RLC(A1),SID XX RL(B1), Reba(A7) wheel size 27. 5" travel 100mm