Shimano Deore XT RD-M8230

Ultra smooth shifting under extreme load Robust structure SHIMANO SHADOW ES Wedge shape design moves out of the way Low profile, slim stabilizer Wide link structure for durability Alloy plate Solid pulley Long cage: SGS (LINKGLIDE 11s 11-50T) Attributes Max Front Difference Single chainring only Maximum Cog 50T Minimum Cog 11T Primary Color Black Cage SGS RD Capacity 39T RD Spring Type Shadow ES Speed 11 Mount Standard