Bike handlebar clamp diameter 22.2 mm (BMX / old MTB) — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/bike-handlebar-clamp-22-2-mm/ (CC BY 4.0) Basis: Sheldon Brown handlebar crib sheet (widely cited reference) Catalog version: 2026-10-20 Overall (mm): length 100.0, width 22.2, height 22.2 - Clamp (centre) diameter 22.2 mm. Grip area: 22.2 mm on upright/MTB bars, 23.8 mm on drop bars. - The file is a 100 mm length of bar at the clamp diameter. dimension value clamp diameter 22.2 mm (0.87 in) upright grip area 22.2 mm drop-bar grip area 23.8 mm Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Sheldon Brown: Handlebar dimensions — web — Publisher's page; dimensions are facts — https://www.sheldonbrown.com/cribsheet-handlebars.html Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/bike-handlebar-clamp-22-2-mm/index.json API: https://xemstudio.com/api/geometry?object=bike-handlebar-clamp-22-2-mm