- The original is still the lightest and least expensive - Special headset preloader top cap for EDC tool - EDC Top Cap Kit includes top cap, spacers (2x1mm, 3mm & 5mm) and steerer plug with drain hole - EDC steerer plug is required for EDC tool storage and is compatible with most aluminum tapered steerer - Requires threads to be cut into 1-1/8" threadless alloy steerer using EDC tap - Cassette-type lockring adjusts headset preload, uses common cassette lockring tool