The Oxford Products Handlebar Risers raise handlebars by 20mm for a more relaxed riding position. Made from premium-quality CNC aluminium alloy, they fit 22mm handlebars with a 28.6mm diameter at the clamp section. Measure 20mm x 28/6mm. Included: 2 x bar risers, 4 x M8 bolts (thread pitch 1.25mm, length 45mm)