RockShox BoXXer C1 Tapered Uppertube (Left, Air Spring Side)

Rock Shox Crown/Steerer/Upper Parts. Features:

• Tapered steerers (when offered) are designated by 1.5>1-1/8″ spec info
• Replacement CSU (crown/steerer/upper) units and BoXXer crowns
• BoXXer top crown sizing reference (head tube+headset): short (3/4″ drop): under 160mm/tall (2″ 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)