Shimano 105 RD-R7100 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Design 36t Max Low ModelNumber=K1009 kit left/front caliper post mount

kit left/front caliper post mount 74mm rotor separate* color black/silver weight 350g

Boost (93g)

}Surly Big Dummy Cargo Bike - 26" Steel Bruised Ego Purple Large

}RockShox Rear Shock Body Vise blocks 23

5" ISO Width (mm) 53 Labeled Size 27

Shimano 105 RD-R7100 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Design 36t Max Low ModelNumber=K1009 kit left/front caliper post mountShimano 105 RD R7100 Rear Derailleur 12 Speed Direct Mount One Spec Shadow Design 36t Max Low. The 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