The Stem Sizer delivers a simple, quick, and precise way to determine ideal bicycle cockpit position and optimize rider comfort and performance
• Single-bolt top-mounted clamp for easy handlebar changes.
• Push-button adjustment for smooth length changes–no tools required to make adjustments.
• Large thumb screw knob for quick stem angle adjustments within +/- 30 degrees.
• Stem length adjustment from 60 – 145mm in 5mm increments.
• Extra shim for handlebar clamp for grip. Fits 31.8mm and 25.4 mm handlebars.
• Accommodates 1-1/4” and 1-1/8” threadless fork steerer tubes via the provided attachments.
• Includes custom padded carry case.