He currently rides a 3 wheel bike with a basket, i have a bungee i connect to the back and walk/run along side him. I cannot keep up- I think th side by side or tandem bike would be good so I don't have to run as I cannot keep up and he is getting angry this spring about it- i try to pull back and slow him down.  

He currently rides a 3 wheel bike with a basket, i have a bungee i connect to the back and walk/run along side him. I cannot keep up- I think th side by side or tandem bike would be good so I don't have to run as I cannot keep up and he is getting angry this spring about it- i try to pull back and slow him down.