Shimano R9270-C50 DURA-ACE 50mm Clincher CL Rear Wheel (Shimano Micro Spline) AC-DRHG-MTB-A1 The all-new Di2 platform

The all-new Di2 platform

Permissible system weight

Need more or less base bar stack

L/XL-58-62 cm

• Mips® B-Series Rotational Impact Brain Protection System

Shimano R9270-C50 DURA-ACE 50mm Clincher CL Rear Wheel (Shimano Micro Spline) AC-DRHG-MTB-A1 The all-new Di2 platformDURA ACE R9200: Built without compromise Shimano's study in the science of speed has taken developments to a completely new level. The freshly redesigned DURA ACE groupset provides an abundance of evidence that Shimano will leave no stone unturned in the pursuit of next level speed. Wheel System: Aerodynamics, Rigidity, & Lightweight The last pillar in the science of speed is the wheels, the final point between the rider's input and the speed output.