Compatibility chain: 12-speed SRAM eTap AXS Flattop. It must be coupled with its outer X-CarboRing 46 x 107 X-AXS chainring. It's recommanded the use of X-Fix BCD107 2X specific kit, made of AL7075-T6 alloy with customized laser engravings and available in a wide range of anodized colors.
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