Dog Bike Trailer, Supports up to 88 lbs, 2-in-1 Pet Stroller Cart Bicycle Carrier for Small & Large Dogs, Easy Folding Frame with Quick Release Wheel, Universal Bicycle Coupler, Internal LeashHighlights Universal Coupler for Most Adult Bikes: This dog bike trailer easily attaches to 22 28 inch rear wheel bicycles with the included coupler quick to set up, stable to tow Spacious & Comfortable Cabin: With a 31. 5 x 21 x 22 in interior, the pet cart bicycle carrier's cabin provides plenty of room for medium to large dogs. Pets can lie down or turn around comfortably, and the rear door ensures easy entry and exit Weather Protection &