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 (head tube+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)
TECH SPECS
model
2018+ Debonair (29") 51 Offset, Boost
description
1.5>1-1/8" alloy CSU assembly
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