SHIMANO GRX Di2 RD-RX815 2x11-SPEED REAR DERAILLEUR 2026-MTB-999to2999 Blackburn pared down the Cinch

Blackburn pared down the Cinch cages to give you everything you need

CO2 cartridges

including quick release 20” wheels and wheel guards (‘wings’) that can be folded to save even more space

Stem: Bontrager Comp

7x10mm carbon rail-compatible hardware sold separately

SHIMANO GRX Di2 RD-RX815 2x11-SPEED REAR DERAILLEUR 2026-MTB-999to2999 Blackburn pared down the CinchThe SHIMANO GRX Di2 RD RX815 delivers electronic shifting precision engineered for gravel and adventure riding. Its SHADOW RD+ chain stabilisation system ensures quiet, smooth operation across demanding terrain, while Di2 technology provides reliable, instantaneous gear changes. Built to handle the rigours of off road cycling, this 2x11 speed rear derailleur combines durability with responsive performance for riders tackling unpredictable surfaces.