Features: One rack fits all sizes of bike frames & wheel sizes Quick-release bracket fits 25.4- 33mm seatposts Patent pending flip-flop design allows support bar to be mounted in a high or low position Quick-release lever system allows trunk bags to be removed while remaining attached to the platform as well as being able to slide the platform in when not in use Ideal for use on rear suspension bicycles H&-welded tubular 6061 T6 aluminium construction Double-welded for added strength Incorporated heavy-duty spring system to attach loads 325mm x 125 platform area Reflector bracket included Weight: 982g / 2.16lbs Capacity: 15kg / 33lbs