This is a replacement front axle & end cap set for boost hubs (15 x 110mm). Specifications: Axle Spacing: Front (15 x 110mm) Axle OD: 19mm Compatibility: (Specialized) 2022 Epic Evo Base 2022 Epic Evo Base 2022 Epic HT Base 2022 Epic HT Comp 2022 Fuse Expert 29 2022 Fuse Sports 27.5 2022 Kenevo Comp 6FATTIE 2022 Kenevo Expert 6FATTIE 2022 Kenevo SL Comp Carbon 29 2022 Levo Alloy 2022 Levo Alloy NB 2022 Levo Comp Alloy 2022 Levo Comp Alloy NB 2022 Levo Comp Carbon 2022 Levo Comp Carbon NB 2022 SJ Alloy 2022 SJ Comp Alloy 2022 SJ Evo Comp Alloy 2021 Levo 29 2021 Levo 29 NB 2021 Levo Comp Carbon 29 2021 Levo Comp Carbon 29 NB 2021 SJ Alloy 2021 SJ Comp Alloy 2021 Status 140 Base 2021 Status 160 Base