Topeak Explorer Rear Mount Rack features an integrated top plate for quick-mount Topeak MTX and RX Quick Track trunk bags.Size (LxWxH): 13.4" x 5.6" x 16.3"One size fits all framesTough 6061 T6 aluminum construction with 6061T6 aluminum fitting bracketHollow tube O/D 10.2mmIntegrated top plate for quick-mount Topeak MTX and RX Quick Track trunk bagsIntegrated fender topItem SpecificationsColorBlackWeight590gRack Weight Limit55lbs