KMC X-12 12sp Chain Silver (25/Count) 62.8g 5 - 5mm rear nuts

5 - 5mm rear nuts

4mm Primary Color Black Steerer Tube 1-1/8 Face Plate Bolts 4 Stem Length 48mm Stem Material Aluminum Stack Height 35 Stem Weight 340g Handlebar Diameter 25

The Race D is bred to be the most durable of all the Race line of tires and features bead to bead ProTite belting and a double dipped Duro casing for improved puncture resistance

Model STX22 Description Seal Holder Assembly Kit

KMC X-12 12sp Chain Silver (25/Count) 62.8g 5 - 5mm rear nutsAll versions feature optimized chamfer angles for superior stability in extreme chainlines, outer plate chamfering for minimized cassette tooth interface, and a double X Bridge structure for improved shifting performance Designed with the specific characteristics of the Shimano, SRAM, and Campagnolo systems in mind. Not Compatible with SRAM eTAP and Flattop Model X 12 Speed 12 Links 126 Color Silver Package 25 Count