SHIMANO 105 REAR DERAILLEUR 12s RD-R7100 Nutrition Brand_UCAN providing a comfortable riding position

providing a comfortable riding position suitable for long-distance rides

A size 8 by one manufacturer might be different from a size 8 produced by another

non-drive side bearing ID is 22mm

Thanks to the OSPW System for SRAM eTap

SHIMANO 105 REAR DERAILLEUR 12s RD-R7100 Nutrition Brand_UCAN providing a comfortable riding positionThe SHIMANO 105 12 speed rear derailleur combines the smooth and stable shifting that is a staple of SHIMANO SHADOW RD design with direct mount compatibility and a wider gear range capacity. BENEFIT Stable shifting performance BENEFIT SHIMANO SHADOW RD BENEFIT Wider gear range capacity BENEFIT Max. low sprocket: 36T BENEFIT Direct mount compatible