This SRAM conversion cap set covers an extensive range of rear axle standards for Double Time hub configurations, including 12x142mm, 12x157mm X0 DH, and 12x148mm Boost through-axle setups, with compatibility across 9- and 10-speed driver bodies. Designed to fit X0, 900, Rise 60 (B1), Roam 30, Roam 40, Roam 50, Roam 60 (B1), Rail 40, and Rise XX wheels, this is the go-to solution when adapting an existing wheelset to a new frame standard.

SRAM's threadless cap design means the swap requires no tools — caps press and twist into place by hand. Whether you're building up a new bike, moving wheels between frames, or replacing worn caps, these genuine SRAM parts ensure the correct bearing preload and axle alignment for reliable, long-term hub performance.

SRAM part number: 00.1918.145.010

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