Includes Trim kit, shifters and cables 8-Speed internal gear hub with wide gear ratio of 325% Gear steps of 30%, 14%, 14%,14%, 14%, 14% and 30% Rotary gear selector without protrusions outside the frame 6061 Aluminium hub shell Compatible with 20, 23 or 25 teeth sprocket High-polish alloy finish RR 8s Int 36H B/O 3/8 Aly Sil 1880g 6B 135mm ...