OneUp Components

Rear Hub 12x148mm End Caps

OneUp Components Rear Hub 12x148mm End Caps are replacement end caps designed to set up a compatible OneUp Components rear hub for a 12x148mm Boost thru-axle frame. Ideal for service replacement or axle/spacing configuration changes, these small parts help restore proper hub fit at the dropouts for secure wheel retention and consistent alignment.

• 12x148mm Boost Fit - Configures the rear hub for modern Boost frames using a 12mm thru-axle interface
• Service Replacement Part - Replaces worn, damaged, or missing end caps to maintain correct hub-to-frame engagement
• Axle/Spacing Conversion Component - Supports drivetrain and rotor alignment by keeping the hub correctly spaced in the frame
• OneUp Hub Compatibility - Intended specifically for servicing compatible OneUp Components rear hubs