Zoom Threadless Stem

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Zoom Q-2 & Q-5 are cold forged and allow a 23mm height adjustment. Cold-forged aluminum, 23mm height adjustment Steerer Clamp OD 25.4mm, for 1", 28.6mm for 1-1/8 For installing thr eadless stems on a threaded fork Quill Insertion Diameter: 25.4mm for 1 1/8" stems and 22.2 for 1" stems 132mm to bottom of top cap 136mm to top of top ca Q-5 25.4mm (1-1/8" fork) to 28.6mm (1-1/8" threadless stem) Quill Insertion Diameter: 1-1/8" Q-2 22.2mm (1" fork) to 28.6mm (1-1/8" threadless stem) Quill Insertion Diameter: 1" Show more