Tapered steerers (when offered) are designated by 1.5>1
1/8 inch spec info
Replacement CSU (crown/steerer/upper) units and BoXXer crowns
BoXXer top crown sizing reference (headtube+headset): short (3/4 inch drop): under 160mm/tall (2 inch drop): 160
190mm
*Totem and Lyrik CSU assemblies are from SoloAir fork model (will work with 2
StepAir, DualPositionAir (2P
Air) and U
Turn/Coil models, but will not have travel gradients on stanchion)
2013
15 Reba and SID
B SoloAir CSU assemblies are not compatible with DualAir
2008
2013 SID
A CSU assemblies are for DualAir only (2009 and older fork parts are no longer available if not listed)