Abstract: A cargo carrier suspension for installation on a cargo carrier having a seat and a transport means on which the seat rides, the cargo carrier suspension comprising: a leaf spring connectable on a cargo carrier between the seat and the transport means; and a clamping device for engagement on the leaf spring and adjustable to select the degree of flexibility of the leaf spring.

Abstract: A bicycle trailer hitch for securing a trailer to a bicycle, the trailer including a hitch arm and the bicycle having a rear wheel including an axle with an axis of rotation and a frame, the bicycle trailer hitch comprising: a hitch ball including a connector end connectable to the trailer hitch arm, an opposite end formed as a ball and a intermediate portion extending therebetween; and a bicycle-mounted hitch portion including a plate having an aperture extending therethrough, the plate being mountable on the axle of the rear wheel of the bicycle with the axle extending through and rotatable within the aperture and a socket connected to the plate and formed to removably retain the ball of the hitch ball.

Abstract: A stroller is described that is foldable and includes a tracking adjustment mechanism. The stroller is folded by pivoting the main frame members about one pair of main connecting brackets. Handle height adjustment can be made at the bracket. Some foldable frame cross members are formed of cable, rather than tubing to reduce the weight and folded size of the stroller over stroller having foldable cross members formed of tubing. A stroller having adjustable wheel spacing for tracking and stroller center of gravity adjustment is also described.