The Ritchey Logic Threadless headset features a smaller upper bearing to save weight, while the lightweight, precision-machined aluminum cups are deep for solid insertion. - Bearing: Semi cartridge - Material: Steel - Stack Height: 30.2mm

Cane Creek's Aheadset is a simple, affordable solution for your headset needs. • Bearing Type: Cup and Cone • Color: Black • Crown Race: 26 • Defined Color: Black • Lower Stack Height: 12 mm • S.H.I.S Lower: EC30 • S.H.I.S Upper: EC30 • S.H.I.S. Stem Clamp Diameter: 25.4 • Upper Stack Height: 18 mm • Weight: 163 g

Cane Creek's Aheadset is a simple, affordable solution for your headset needs. • Bearing Type: Cup and Cone • Color: Black • Crown Race: 30 • Defined Color: Black • Lower Stack Height: 5 mm • S.H.I.S Lower: ZS44 • S.H.I.S Upper: ZS44 • S.H.I.S. Stem Clamp Diameter: 28.6 • Upper Stack Height: 10 mm • Weight: 130 g