Blackburn: The most versatile rack ever made. Specifically designed to solve fitment issues with fat bikes, but also works great on almost any bike.Swivel MountRotating mount allows the light to be adjusted to center on the road! This versatile silicone mount fits handlebars from 22–35mm and can be used to strap to some helmets.Disc Brake CompatibleSometimes these newfangled disc brakes get in the way of accessory installation. This product was designed to make sure that isn't an issue.Light ClipA great point of attachment for your front or rear light … compatible with most Blackburn and other brand's lights.Height AdjustableAdjustable height design works with most road and mountain bike hub and tire widths, without having to twist or bend anything.Front or Rear CompatibleCan't decide if you want to install on the front of the rear of your bike? Don't worry about it, this product does both easily.