XLC Adjustable Quill Stem Designed to adjust your ridding height of the stem to suit your preferred position. Made from 6061 T6 cold forged aluminium Suitable for 1 1/8" threaded forks (25.4mm) and Suitable for 1" threaded forks (22.2mm) Adjustable angle from 0 to 60 degree Bar bore diameter: 25.4mm 180mm shaft length Length: 100mm