SRAM Crank Bolt Self Extracting M15/M22 - Black. SRAM NX / GXP / APEX / S350 1x / STYLO 6K crankset: models FC-S350-1-A1, FC-APX-A1, FC-GX-1001-A1, FC-NX-1-A1, FC-STYL-6K-A1, FC-APX-1-A1. SRAM Part no.: 11.6115.530.080.
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