Air spring kits do not include top cap assembly unless specified
2013+ Reba/SID/Revelation SoloAir complete spring kit includes black top cap. Can be used to change travel to desired length (not compatible with 2012 and older DualAir forks)
SID A: upper tube inner diameter27.8mm. Maximum fork travel100mm. Upper tube gradient includes only 100mm and 80mm (DualAir only)
SID B: upper tube inner diameter28.2mm. Internals and chassis parts designed for SID B (120mm max travel) are not compatible with SID A
2013+ Reba and SID B internals are interchangeable
Recon and Tora SoloAir spring kits can be converted down with All
Travel spacer kit
Totem and Lyrik Dual
Position air spring kits can be used to replace older 2
Step assemblies