comingfit 110 Lbs Capacity Almost Universal Adjustable Bike Luggage Cargo Rack Bicycle Accessories Equipment Stand Footstock Bicycle Carrier Racks Fit almost bikes, road bike, mountain bike, etc; For V Brake and Disc Brakes; Come with tools and installation instruction(Please download the installation instruction from the link in Product description ). [ATTENTION]:This rack has been upgraded from "ACOMFORT" brand to "COMINGFIT" brand, and you may get the old version rack with "ACOMFORT" logo; Shelf Length 22", Width 6"; Panel Length 14"; Width 6"(Seat Tube Diameter0.85-1.3") adjustable for kinds of bikes; 110lbs capacity( when every part properly seated) tested in any condition; Durable Aluminum Alloy Rack.