RockShox 11.4018.026.022 Air Shaft SID B1 100-27 Model-Contour Foam the base is able to

the base is able to retain its molecular structure during production

Upside down spray applicator for controlled spray-on application

Allows for space underneath for a bottle cage

The F2 model is engineered for harder

The Wolf Tooth 96 BCD bash mates perfectly with this chainring if you need a little extra protection

RockShox 11.4018.026.022 Air Shaft SID B1 100-27 Model-Contour Foam the base is able toAir 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