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Aero seat post band and shim to fit BoostR
the hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight
and writing instruments
Constructed entirely from unidirectional carbon and featuring a stiffness index of 15
giving riders the assurance they need as trails get tougher
Shimano FC-R8100 ULTEGRA 50-34 170mm Front Crankset CN-X-1-A1 Aero seat post band andULTEGRA 8100: Join the Pursuit of Next Level Speed Shimano's new ULTEGRA line up dives into what is ready behind the science of speed with real world applications. Following in the footsteps of the DURA ACE design philosophy, and using many of the same product designs, including the new addition of the 12 speed rear, ULTEGRA is joining the pursuit of next level speed. DURA ACE shared DNA The new R8100 series is designed for those seeking their next