The RockyMounts StreetRod is a thru-axle adapter that works with fork mounted bike racks from any manufacturer. It includes axles to accommodate bikes with 12x100, 15x100, and "Boost" 15x110 thru-axles. Bicycle weight limit is 35lbs with this carrier. Do not use with tandem bicycles Do not exceed the load capacity of your vehicle's roof rack or bike carrier. RockyMounts StreetRod is not intended for use on Thule fork mounted bike carriers.