Velo Orange Grand Cru 1-1/8" Threadless Headset: Polished Silver Max Height-418.2 50 TPI 60TPI Tubeless Technology

50 TPI 60TPI Tubeless Technology Tubeless Ready Labeled Size 27

but these features might get you going too:

}Wheels Manufacturing Derailleur Hanger - 96

Gender Men Color Black Primary Color Black Size S

Velo Orange Grand Cru 1-1/8" Threadless Headset: Polished Silver Max Height-418.2 50 TPI 60TPI Tubeless TechnologyVelo Orange HeadsetsHigh quality oversized sealed cartridge bearings Polished alloy cups; laser engraved logo Color Silver Lower Stack Height 10 Bearing Type Cartridge Crown Race 30 Weight 112 Defined Color Silver Upper Stack Height 18 S. H. I. S Upper EC34 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower EC34