I have the Twinline 1, it's the best trolley I've bought to date very easy to push and a lot better than pulling.
I think the only difference between the 1 and 3 is the 3 folds up smaller.
The 2 of course doesn't have the third wheel.
I have a Powakaddy Twinline 1 push trolley, very impressed with it.
I've had it for 5 months so not long term yet but it has been used on average twice a week since purchase.
It's strong and very light to push but heavier than normal when folded, but that's explained by the frame build.
The...