Handlebar Clamp Diameter Explained

Triumph Motorcycles are usually equipped with either 7/8 Inch (22mm) or 1 Inch (25mm) handlebars. Some models will features a tapered or "fatbar" style that is 1 1/8 Inch at center but tapers to a 7/8 Inch where the controls are mounted. Use this guide to determine what size handlebars came on your Triumph Modern Classic and what options you have for customization.

7/8 Inch Handlebars

  • Bonneville SE
  • Scrambler 900
  • Street Twin
  • Street Scrambler
  • Street Cup

1 Inch Handlebars

  • Bonneville
  • Bonneville T100
  • Thruxton 900 (EFI models)
  • Bonneville T100 (Liquid cooled)
  • Bonneville T120
  • Bonneville Bobber
  • Bonneville Speedmaster
  • Thruxton 1200

1 1/8 Inch Handlebars

  • Bonneville Speed Twin