RITCHEY Upper Logic-E Comp Cartridge Drop In 1.5 IS52/28.6 Steering System

The new Ritchey Logic-E 1.5´´ Universal Headset is a solution designed to allow cables and wires to easily integrate with internal frame routing when using any standard stem – no special stem necessary. Cables and wires enter the headtube through channels on the headset upper, passing through the space between the fork steerer and headtube before continuing their route through the frame. Specifications: - Material: Nylon + glass fiber - Stack height: 20.20mm - Headtube ID: 52mm - Headtube OD: 56mm - S.H.I.S.: IS52/28.6 (1.5”) - Bearings: 51.80/40mm 45°/45° - sealed cartridge (ACB) - Weight: 93g