Shimano Dura-Ace R9100 Chainring - 52 Tooth 11-Speed 110mm BCD For 52-36T Combination ModelNumber=K8556 }Problem Solver Headtube Reducer Reduces

}Problem Solver Headtube Reducer Reduces 37mm to 34mm (1-1/4" to 1-1/8" headset) Black

240 Dicut Aero hubs EXP rear and DT Swiss Aero Comp spokes

Buffo features a hardened steel 12mm shackle for and body for areas with medium risk of theft along with an automatic keyhole cover to keep out the elements

Twin Beam Technology draws energy from the battery of the front light without greatly reducing the burn time

Kalloys 822 Adjustable Stem lets you set your handlebars exactly where you want them

Shimano Dura-Ace R9100 Chainring - 52 Tooth 11-Speed 110mm BCD For 52-36T Combination ModelNumber=K8556 }Problem Solver Headtube Reducer ReducesShimano Dura Ace R9100 Chainring 52 Tooth 11 Speed 110mm BCD For 52 36T Combination. This Shimano chainring allows you to update your Dura Ace FC R9100 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4