She rode a single-wheeled trailer bike attached to the seat post of his mountain bike so that, in theory, the pair could pedal as a team. On hills, however, Burd found himself doing most of the work. Burd resolved the problem by mounting a ZAPworld Power System on his bike. Trail Gator from Nashbar, lifts the front wheel off the ground. Ride attatched or separately on the same ride.
Front wheel stays on childs bike.
Telescoping tow bar can be easily stored on adult bike. Fits 16 and 20 in. Weight limit 70 lbs. I would hesitate to carry a dog directly on my bike simply because it is a distraction and the animal can be unpredictable. I suggest a used child trailer.