KEY FEATURES:- Fits Scott Addict CX Addict CX MY16, 1 1/8" - 1.5" Tapered, Drop-In, IS42/28.6 | IS52/40, Alloy, sealed cartridge, 8.7mm stack height.BEARINGS: Sealed cartridge bearingsFEATURES: For Scott Addict CX MY16 Bikes