Shimano 105 RD-R7100 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Design 36t Max Low ModelNumber=K1009 }Zipp Spring and Pawl Set

}Zipp Spring and Pawl Set - ZR1

5" ISO Width (mm) 53 Labeled Size 27

}Full Speed Ahead Omega/Vero Pro Steel Road Double Chainring - 36t 90 BCD Steel N-11 Black

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Color Black Defined Color Black Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 30

}Salsa Lock-On Collars Black

Shimano 105 RD-R7100 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Design 36t Max Low ModelNumber=K1009 }Zipp Spring and Pawl SetShimano 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