Aluminum Alloy Quill to Ahead Bike Handlebar Stem Riser Adapter 22.2mm/20.8mm to 28.6mm 1 1/8 inch Bicycle Acc ories _x005f_x000D_ Feature: _x005f_x000D_ Made of 6061 aluminum alloy, heat-treated, strong, hi -strength but li twei t. _x005f_x000D_ Anti-slip pattern, very stable. _x005f_x000D_ Easy to install and flexible to operate. _x005f_x000D_ _x005f_x000D_ Specification: _x005f_x000D_ Model: 20.8mm to 28.6mm, 22.2mm to 28.6mm _x005f_x000D_ Material: 6061 aluminum alloy _x005f_x000D_ Col r: Bla _x005f_x000D_ Wei t: ab t 100g _x005f_x000D_ Size: 120*30*30mm/4.72*1.18*1.18" _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ There may be sli t size deviations due to man l measurement, different measuring methods and tools. _x005f_x000D_ The picture may not reflect the act l color of the item because of different photographing li t, angle and display monitor. _x005f_x000D_ _x005f_x000D_ In ded: _x005f_x000D_ 1 X Bike Stem Adapter Made of 6061 aluminum alloy, heat-treated, strong, hi -strength but li twei t. Anti-slip pattern, very stable. Easy to install and flexible to operate.