CYC Helmet Special Flashlight Tactical Helmet Clamp Adaptor Cycling Headlight Holder CY

Features: Works with for FAST helmet rails. Use it to mount lights to the helmet. Can quickly attaches or releases from the rail system. Specifications: Color:As picture Quantity:1PC Outer diameter: 30mm Inner diameter: 25mm Material: ABS Package Include:1PC Helmet Clamp Adaptor Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.