Shimano Dura Ace SS-7600 Track Sprocket Crankset 10° flare drop and a

10° flare drop and a palm zone

bullhorns and NITTO B260AA risers

Diameter 27

CS-M8100 Deore XT -11 Speed MTB Cassette (42T Max Low Sprocket)

Shimano Dura Ace SS-7600 Track Sprocket Crankset 10° flare drop and aThe Shimano Dura Ace 7600 Track Cog comes in four options in teeth count ranging between 13T and 16T in chain widths of either 1 2" X 1 8" (most common width) or 1 2" X 3 32". They are CNC machined to ensure a reliable chain line, limiting unwanted tension on the chain. Their chromoly construction gives an additional level of durability so that you wont be wearing either your sprocket or your chain too hard even after months of power training.