Ritchey WCS Logic 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black Shifters 6 Threadless S

6 Threadless S

BSA Bottom Bracket

}Surly Ring 42t x 130mm Stainless Steel

}TRP Spyre SLC Flat Mount Mechanical Brake: No Rotor or Adaptors

Ritchey WCS Logic 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black Shifters 6 Threadless SRitchey WCS Logic 1 1 8" Threadless Headset: EC34 28. 6 EC34 30 Black. The Ritchey Logic WCS threadless headset features angular contact cartridge bearings. Logic WCS uses angular contact cartridge bearings TECH SPECS Upper Stack Height 15. 4 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless Defined Color Black S. H. I. S Lower EC34 Weight 110 Crown Race 30 Bearing Type Cartridge Color Black S. H. I. S Upper EC34 Lower Stack Height 12. 9