Headsets

Comp Logic Threadless Headset - Lightweight, precision-machined aluminum cups - Deep cups for solid insertion

The Ritchey Logic Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion. - Bearing: Retainer ball bearing - Material: Steel/Plastic - Stack Height: 28.3mm

Bringing Ritchey's heritage of legendary cycling products into the world of e-bikes and electronic shifting, Tom Ritchey designed a unique headset that allows the cables to be run internally from the stem into standard frames without requiring the frame or fork to be modified. The Logic-E headset is designed to allow Shimano Di2 and STEPS cables to be concealed from view and the wind while protecting them from damage. - Steerer size: 1-1/8" upper - Drop-in (IS) or Press-Fit (S) - Weight: 35-44g

The 1-1/8" Ritchey Comp Cartridge Logic Threadless Headset features a smaller upper bearing to save weight, while the lightweight, precision-machined aluminum cups are deep for solid insertion. - Smaller upper bearing to save weight - Lightweight, precision-machined aluminum cups - Deep cups for solid insertion - Stack Height: 30.2mm - Material: Steel - Upper Fit (S.H.I.S.): EC34/28.6 - Lower Fit (S.H.I.S.): EC34/30 - Bearing: Semi cartridge