Ideal for long distance touring, the Topeak Explorer Tubular Bike Rack is quick and easy to install and is compatible with any Topeak MTX series bag or basket. Made of 6061 T6 hollow aluminum with precision welding at all critical support points. MTX QuickTrack compatible for use with any MTX TrunkBag or MTX rear basket. Tail lightRedLite mount for attaching rear lights. Solid fender top. Fits 26, 650B, and 700c. Includes all mounting hardware. Dimensions: 16.1 x 13.6 x 9.3 in.. Weight: 1.38 lb.. Capacity: 55 lb..