SHIMANO 105 REAR DERAILLEUR 12s RD-R7100 Nutrition Brand_UCAN get a readiness score based

get a readiness score based on your sleep quality

Patent pending arch clamp provides 14 degrees of adjustment

Their progressive thickness Biogel pads prevent numbness in the hands during your rides

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

SHIMANO 105 REAR DERAILLEUR 12s RD-R7100 Nutrition Brand_UCAN get a readiness score basedThe 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