Shimano GRX RD-RX827 12sp Di2 Rear Derailleur protection Features an overload clutch and

Features an overload clutch and a tucked-in profile

The SRAM Force XPLR AXS Rear Derailleur E1 is a 1x-specific component for gravel and road cyclists

its non-slip

Feature Specification Closure System Dual micro-adjustable BOA L6Z dials Upper Material Perforated synthetic leather Fit Technology S-PHYRE with surround wrapping upper Midsole Low stack height

The result of CFD (computational fluid dynamics) testing

Shimano GRX RD-RX827 12sp Di2 Rear Derailleur protection Features an overload clutch andEngineered for lightning fast, ultra precise 12 speed electronic shifting, delivering unmatched chain security and performance for demanding gravel and adventure riding. The Shimano GRX RD RX827 12 speed Di2 Rear Derailleur stands as the heart of Shimano's latest electronic gravel groupset, meticulously designed for the rigors of off road exploration. This GRX Di2 derailleur provides instantaneous and incredibly accurate gear changes, ensuring