The connectors we use on this model rider is universal, the connectors can be attached on the tube or frame in the rear structure of stroller before used. We can confirm our connectors on this rider can almost fit all strollers sold in the market. Englacha 2-in-1 cozy x rider for children that will attach to almost any baby carriage which has one tube or frames in its rear structure, suitable for a child from 15 months up to a maximum weight of 55 lbs. The cozy x rider is a practical and comfortable product and can be attached to rear bar and folding plate of most of prams, strollers and buggies. It's a seating rider as well as a standing platform in one. ? This new model is improved from our popular englacha 2-in-1 junior x rider, universal connector fits all prams and strollers including umbrella style and concealed brake style prams.