SHIMANO 105 REAR DERAILLEUR 12s RD-R7100 Nutrition Brand_UCAN Lower Body: 65% Recycled Nylon

Lower Body: 65% Recycled Nylon / 35% Lycra

which are some of the most comfortable and ergonomic hex wrenches we've ever used

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

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SHIMANO 105 REAR DERAILLEUR 12s RD-R7100 Nutrition Brand_UCAN Lower Body: 65% Recycled NylonThe 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