Ritchey Crown Race WCS 1-1/8" Traditional Headset CheckoutSpec= Flat mount Lower Cup 44mm Crown Race

Lower Cup 44mm Crown Race Diameter 30mm Misc Set 3 110-119mm SHIS Upper EC44/28

Clamp Style Std Rails Color Black Defined Color Black Gender/Age Unisex Length 265 Material Synthetic Rail Material Kium Saddle Cut Out Yes Weight 213 Width 140

}Shimano Ultegra ST-R8170E Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Black

It serves as a simple device to offset the position of the rear derailleur making it possible to run a wide-range mountain bike style cassette

Ritchey Crown Race WCS 1-1/8" Traditional Headset CheckoutSpec= Flat mount Lower Cup 44mm Crown RaceTraditional and integrated type replacement headset crown races TECH SPECS description crown race model WCS traditional headsets size EC34 30