Shimano 105 RD-R7100 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Design 36t Max Low MFPN=GSZ03 U-shape cradle clamp eliminates handlebar

U-shape cradle clamp eliminates handlebar stress raisers found with traditional stems

Carbon blade and titanium hardware

Color Black Flat Protection Tread TPI 26 Weight 310 Defined Color Black ISO Width (mm) 25 ISO Diameter 622 / Road / 29" Tire Intended Use Road Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 25 Tire Type Clincher

13mm thick square temper hardened parabolic steel shackle

Shimano 105 RD-R7100 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Design 36t Max Low MFPN=GSZ03 U-shape cradle clamp eliminates handlebarThe 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