The mount is supplied with three lengths of straps fitting handlebars of up to 36mm diameter. Extra length strap available separately providing support for handlebar sizes of up to 41mm. The mount requires hex key(included) to fasten, after which it is non-adjustable. The light can not swivel from side to side nor tilt vertically.
Great for those of you who have more than one bike and want to make the transfer of lights between bikes effortless.