Shimano Ultegra FC-R8100 165mm 52/36T 12sp Crankset Chain Tensioning Tools Total capacity: 39T

Total capacity: 39T

The C3 chamois

comfortable and with rotation lock closure

Long-travel

Shimano Ultegra FC-R8100 165mm 52/36T 12sp Crankset Chain Tensioning Tools Total capacity: 39TULTEGRA 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