Fits 26", 27.5" (650B) & 700C Wheels w/ Discc Brakes A tough tubular aluminum rear rack designed specifically for bikes equipped with disc brakes. Perfect for classic loaded touring, commuting or just running errands. QuickTrack® compatible for use with any MTX TrunkBag and rear basket. SPECS: Attachment: Braze-on type Material: 6061 T-6 hollow aluminum Compatibility: MTX TrunkBags / MTX rear baskets Max Weight Capacity: 26 kg / 57 lb Added Features: Includes mounting bracket (26.5 cm), Solid fender top, RedLite® Mount, Tail Light Mount Size: 41 x 34 x 23.5 cm / 16.1” x 13.4” x 9.3” Weight: 620 g / 1.37 lb