Topeak Journey Trailer Aluminum Main Frame Water Proof Drybag with Rear wheel, Rear Fender and Flag Capacity: 32 kgs/ 70 lbs, 61.8 x 17.6 x 16.5-Inch 4.85 kgs/ 10.69 lbs (Trailer); 1.60 kgs/ 3.53 lbs (DryBag) Fits on bikes with rear dropout spacing of 130mm or 135mm with 26 or 700c wheels SlideLock QR attachment makes mounting or removing trailer quick and simple Journey DryBag material is sonically welded and seam sealed for durable, waterproof protection