These are the parts Madrone sell as a super shim kit. They do not ship to the UK so I have created this listing to make it easy to buy in regions that madrone will not ship to. Eliminate the wiggle from your derailleur mounting bolt to improve your shifting and reduce drivetrain noise! This is a great bang for your buck! How? The Super Shims fit in the SRAM mounting bolt assembly. They remove the wiggle and add compression force, while still allowing the derailleur to pivot about the bolt. Review: Check out the awesome ThunderStruckMTB review here! Compatibility: SRAM has 2 mounting bolt configurations for these derailleurs. This Super Shims kit is only for the derailleurs below: SRAM 12 speed Eagle AXS: GX, X01, XX1 SRAM 12 speed Eagle mechanical: X01, XX1
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