Casetes HG ultraligeros Sunshine 12s 11-34T aptos para bicicletas de carretera Shimano rueda libre

Compatible with the SHIMANO and SARM transmission systems. Perfectly run with SRAM SHIMANO / SENSAH shift system.Alum Alloy material, High quality, and beautiful price. Gear Ratio:11Tooth - 34Tooth（ 11-12-13- 14-15 - 17-19-21-23 -26 -30-34Tooth ）.

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