What Headset Do I Need? SHIS Size Chart + Finder
Find your bike’s headset code: check EC, ZS or IS, measure the bore or bearing, add the fork size, and avoid the IS41 vs IS42 mix-up. Includes a SHIS chart and free finder.
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Handlebar Clamp Diameter Chart: 25.4, 26.0, 31.8 or 35mm?
Handlebar clamp diameter chart (22.2 to 35 mm), steerer and quill stem sizes, how to measure with a caliper or paper strip, shim rules, and a free tool that checks whether a stem fits your bar and fork.
