2" Pivoting Bar Risers for 7/8" OR 1 1/8" Handlebar- 2 Color OptionsLifetime Warranty Made in the USA 2" (51mm) Center to Center Rise Pivots Backward Forward based on Rider Preference 7 8" Stem (22mm) Accepts 7 8" (22mm) OR 1 1 8" (28mm) Handlebar These risers will mount on virtually any machine that has a solid 7 8" tubular stock handlebar and open mounting area. NOT APPROVED for use on bikes with clip on style handlebars. Heres is a very partial list of all the bikes these risers will work on: BMW: G650, F650GS,