A quick and inexpensive way to make a bike more comfortable, the Dimension High-Rise bar comes in four different rises for easy bar-height changes. FEATURES: Four rise options available from 30-100mm AL-6061 aluminum alloy ISO4210 Safety Tested for City/Trekking use Not recommended for use with bar-ends or clip-on aero bars SPECS: Material: Aluminum Color: Black Width: 660mm Back Sweep (deg): 15 Bar Clamp Diameter (mm): 25.4 Lever Compatability: Mountain 22.2 Rise: 40mm