Shimano GRX Di2 RD-RX827-SGS 1x12 Speed Rear Derailleur Seat Post Its streamlined profile ensures no

Its streamlined profile ensures no interference with your ride setup or motion

The lightest GPS watch on the market at its launch – from 29g with the new COROS Nylon band

giving you the ability to fine-tune your clip-in and clip-out preferences for a tailored experience

providing the performance and reliability needed to explore new limits

providing consistent performance over long rides and in various weather conditions

Shimano GRX Di2 RD-RX827-SGS 1x12 Speed Rear Derailleur Seat Post Its streamlined profile ensures noThe Shimano GRX Di2 RD RX827 rear derailleur is engineered for riders who push deep into rough gravel and mixed terrain. Designed for 1x12 speed setups, it delivers fast, reliable electronic shifting with the strength needed for real world riding. This is GRX performance without compromise. Wide Range 1x12 Compatibility: Paired with a 1051T cassette, the RD RX827 offers massive range for steep climbs and fast gravel sections. It supports both long