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6mm / S & M size 125mm / L & XL size 150mm
Wider range and smooth ratios for the 1x11 system
The open tread pattern allows for self-cleaning
Trekking alloy pedals
cambio shimano dura ace rd r9100 ss 11s Biciclette da corsa disc they also have a moreThe DURA ACE 9100 derailleur combines an aerodynamic SHADOW design with greater range options in a lightweight and attractive mechanism aimed at discerning cyclists. Features: Stable shifting performance Pulley control at specific distances SHIMANO SHADOW RD structure Low profile derailleur design Maximum endurance race durability Adapted to race specific frame design Product specifications MODEL N. RD R9100 SS SERIES DURA ACE R9100 Series Color