USE Shims (For 27.2mm SX Posts)

You With a core diameter of 27.2mm the SX shim is designed for use with the larger diameter Alien

You With a core diameter of 27.2mm the SX shim is designed for use with the larger diameter Alien Aluminium and Carbon posts and any other post with this diameter. Available in 27.6 to 31.8mm outer diameters in 0.2mm increments as well as 30.9mm.

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