This bag of 5 Carbon headtube spacers are for properly spacing the stem and top cap on the headtube of any 1 1/8" standard threadless steerer tube bicycle. Each spacer is 5mm in thickness and can be stacked in combination with the same or other thickness spacers to acquire proper spacing and stem cap compression. Specifications: Color: Carbon Material: Carbon S.H.I.S. Stem Clamp Diameter: 28.6 Thickness: 5 mm
