Our MBP QR Fork Mount Bike Block fits most bicycles with a front Quick Release. Made Heavy Duty with Strong lightweight Alloy Construction. Great for storage and transportation. The block where fork attaches is 100mm. MBP block can be mounted vertically or horizontally. The mount is designed to be mounted to any strong surface. They can be used with a 2x4 that is cut to fit flush in a truck bed for transport or in a garage for storage. It does not include mounting hardware. This unique one of a kind specially designed block has adapters for varying thru axle sizes as well as working with a standard QR setup. Fits: 15x100, 12x100mm, 15x110mm, 15x150mm, 12x110mm . All Madison Bicycle Parts have a 1 year manufacturer warranty against defects from date of purchase.