http://i9.photobucket.com/albums/a58...ps6bd96863.jpg

Just a cheap light weight Murray. Was given to me and haven't put $20 into it. Figured that use would be hard on a bike so didn't want tear up a good one.

I realize that this is a zombie thread, but some might be interested in information regarding trail-a-bikes, so I will chime in.

My daughter LOVES riding our trail-a-bike. We have one that attaches to a seatpost (Rhode Gear Dinobak), so I initially attached it to the post of the bike I imagined using the most. It's a bit of a pain to swap from post to post, so I simply put another saddle on another seatpost to use when I am not pulling the trail-a-bike.

Unfortunately, not all bikes use the same size seatpost, so I bought a bunch of shims in order to use the trail-a-bike on other bikes. I've pulled it with a ancient mountain bike set up as a singlespeed with a large front basket, a three speed, a touring bike, a road bike. Whatever kind of riding we want to do. We even hit some mellow dirt trails with it. Good times.

I have used trailabikes/tagalongs for all our kids on a variety of different bikes. Hybrid/MTB tend to be more stable with a kid thrashing their weight around. I've done it on road bikes and it is doable, but very different.

You can use almost anything:

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I pulled mine in her Trek Go-Bug trailer behind my Trek 7.6 FX. Flat ground was great but when it got a little hilly I wished I had the 7.5 which is geared a little lower.

When she got big enough, I bought a used Trek Mountain Train and used my Schwinn Tourist To pull it most of the time. My Trek has carbon seat post although I did pull it a couple of times with no issues. The V brakes had plenty of stopping power when dry.