Natuworld 90&deg; Adjustable Cycling MTB Bike Bicycle Handlebar Light Torch Lamp Mount Holder Clamp Material: Rubber & Plastic + screw Handlebar Clamp Diameter:20mm(min) ~ 35mm(max) Flashlight Clamp Diameter:18mm(min) ~ 34mm(max) Easily clip the torch on or remove it off by relaxing and tight the screw Let cycling conveniently and safely at night