Shimano 105 RD-R7100 Rear Derailleur - 12-Speed, Direct Mount, One Spec, Shadow Design, 36t Max Low coil-springs-parts the Pro Mechanic is more

the Pro Mechanic is more durable

aerodynamic and powerful

Length: 35 cm (13

60 PSI 43 Tire Bead Folding Tire Diameter 29" Tire Intended Use Downhill Tire Intended Use Mountain Tire Type Tubeless Ready TPI 330 Weight 1275

Shimano 105 RD-R7100 Rear Derailleur - 12-Speed, Direct Mount, One Spec, Shadow Design, 36t Max Low coil-springs-parts the Pro Mechanic is moreThe 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. Shadow RD offers a low profile design with single tension construction that prevents the derailleur from hitting the chainstay in rough riding conditions Direct Mount feature is design for large contempory frames with large section chainstays, in particular