This innovative smart stem lets you pre-assemble the handlebar & stem together with the new CLP alloy/carbon faceplate to keep both hands free for assembling the bolts.> 3D-forged & CNC-machined high-strength 7050 premium Aluminium road/MTB-compatible stem> C-Clip carbon/alloy faceplate 4-bolt oversized 31.8mm> Equipped with alloy top cap & 4-degree 2-degree & 0-degree CNC alloy shims> Available in 4-degree 12-degree & 17-degree angles> 4-degree: 10 position angle range +/- 4-degree to 12-degree in 2-degree increments> 12-degree: 10 position angle range +/- 8-degree to 16-degree in 2-degree increments> Compatible with composite handlebars> 1-1/8 steerer tube diameter> Approx. weight: 166g (110mm)