Used on forks with serial numbers later than 16T11XXXXXXX
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 B: upper tube inner diameter=28.2mm. 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