Shimano XT FD-M8100-M Front Derailleur - 2x12 34.9/31.8/28.6 Clamp Front Side-Swing BLK ModelNumber=27901 Rings 42Number of Chainrings Chain Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial

Shimano XT FD M8100 M Front Derailleur 2x12 34.9 31.8 28.6 Clamp Front Side Swing BLK ModelNumber=27901 Rings 42Number of Chainrings Chain Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial Rings 42Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8 BoltChainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm ChainstayChainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 170Crank Intended Use RoadCrank Intended Use GravelBB Included NoPedal Spindle 9 16"Spindle Interface Type SRAM DUBDefined Color Carbon 4pcs compound organic