Topeak Explorer 29Er Tubular Rack with Disc Mount (Black, 16.5x6.7x16.3-Inch) Used by both professional and amateur riders alike Made using high quality materials and components Tested to ensure quality and durability Wt. 680 g / 1.50 lbs Braze-On Type 6061 T-6 Hollow Aluminum MTX QuickTrack Series Max. Weight Capacity 25 kgs / 55 lbs