Shimano Dura Ace SS-7600 Track Sprocket Crankset Mark XS S M L

Mark  XS S M L XL S1 480 520 550 580 600 S 440 580 510 540 560 T1 520 545 564 591 611 T 507 531 552 577 596 Head Tube 80 110 135 160 185 a° 70 71 71 71

Wear it under you helmet to keep the sun out of your eyes and the sweat off your face

MODEL NO ST-RX400-L ST-RX400-R SERIES GRX 10-speed GRX 10-speed Color Series color Series color Average weight 306g 307g Shift Lever Compatible Derailleur Type Road 2 Speed Road 10 Speed Brake Lever Hose SM-BH90-JK-SSR SM-BH90-J-SSR SM-BH90-JK-SSR SM-BH90-J-SSR Recommended Brake Caliper BR-RX400 BR-RX400

GRX Limited RD-RX810-LE Rear Derailleur (11-Speed)

Shimano Dura Ace SS-7600 Track Sprocket Crankset Mark XS S M LThe 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.