Wolf Tooth Performance Headset - ZS56/40 Lower Raw Silver CheckoutSpec= Asymmetric 74 BCD model Duroc 30 size 29"

model Duroc 30 size 29" internal/external 27/30mm hole 32h ERD 606mm color black weight 465g

}Shimano CUES RD-U4020-SGS Rear Derailleur - 9-Speed Shadow Design Direct Attach Medium Cage Black

Rim Strip Width (mm) 35

Rear rise allows optimum power and comfort from sitting position

Wolf Tooth Performance Headset - ZS56/40 Lower Raw Silver CheckoutSpec= Asymmetric 74 BCD model Duroc 30 size 29"Wolf Tooth Performance Headset ZS56 40 Lower Raw Silver. Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings balancing quality and price. Black Oxide Bearings are made from chromium steel for high load capacity and durability Custom molded dual lip seal on the crown race protects lower bearing in the toughest conditions TECH SPECS S. H. I. S Lower ZS56Color Raw SilverBearing