1.bike trailer
2.easy link to bicycle
3.aluminium tubes or steel tubes
4.air-input sports wheels
5.quick release axletree

1.Bike trailer

2.Eeasy link to bicycle
3.Aluminium tubes or steel tubes compose the whole frame
4.Equipped with air-input sports wheels
5.Equipped with quick release axletree
6.It is mainly used for hiking with baby 

7.Easy fold, small packing size

8.It is possible to carry one or two babies