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 Fork CSU - Debonair 27.5/29B 44 Off-Set Ano Black (No Gradients) - Pike C1+ /Pike Flight Attendant C1+ (2023+). Model ID: FS-SPP-A0. Item Specifications: Description, 1.5>1-1/8" Alloy CSU Assembly, Year, 2022+, Model Name, Pike C1+ 27.5/29, 44mm Offset,.
eBay