Titanium is a wonderful material for a handlebar. It’s not as light as carbon, but for a little weight, you get an unparalleled ride. Strength & beauty count for something as well. This bar will look good & ride well on your bike for years. Built for 31.8mm stems, no shims are used for clamping the Thomson Titanium bar. It’s the very best bar you can buy for a rigid MTB. Certified to EN, tested to DIN+. Ti, Wide, & Handsome. Saddle up & ride. Unrivalled ride quality. 31.8mm clamp, no shims required. 800mm width. 15mm rise. Weight: 345g. Certified to EN, tested to DIN+