uxcell a16011200ux0006 Motorcycle Handlebar Riser Clamp, 2 Pack Product Name: Handlebar clamps; material: CNC aluminum alloy Package Content: 2 x Handlebar clamps, 4 x bolts, 4 x gasket; Color: Black Dimension: 57 x 50 x 36mm/ 2.2" X 2" X 1.4"(L*w*t); battery included: no Hole diameter(without gasket): 28mm/ 1 1/8"; hole diameter gasket): 22mm/ 7/8" Bolt screws length: 31mm/ 1.2"; bolt screws thread Diameter: 8mm/ 0.31"