RockShox Tapered CSU, ZEB Ult B1+ Butter Wagon 44OS Black 700c Tires - Heat-treated

- Heat-treated

- XD driver body required for Sram 11spd cassettes

Multi-ply 120tpi Nylon for lightness & rolling performance

SRAM and other major rotor brands

- Highest grade of carbon

RockShox Tapered CSU, ZEB Ult B1+ Butter Wagon 44OS Black 700c Tires - Heat-treatedTapered 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 Today's Stock Status 2 Available to ship in 2 4 Business Days UPC: 710845933851 EAN: Not available Manufacturer Part Number: 11. 4018. 090. 123 RS27001 203390 Q0 L