A cargo bicycle apparatus comprising: an existing bicycle comprising: a front fork comprising a pair of front fork dropouts; a rear wheel; a primary frame; a steering mechanism including handle bars connected to the front fork and journaled to the primary frame for turning the front fork; and a primary frame head tube supporting the steerable front fork, wherein the primary frame head tube is mounted at an angle with respect to the ground; and a cargo attachment securely coupled to the existing bicycle, the cargo attachment comprising: one or more front wheels; and a first attachment position engaged with the pair of front fork dropouts, wherein the first attachment position comprises a cargo attachment head tube connected to a cargo frame of the cargo attachment, an axle assembly, and a slider assembly separating the axle assembly from the cargo attachment head tube, wherein the cargo attachment head tube is mounted at an angle with respect to the ground and defines a steering axis; wherein the axle assembly comprises a forward attachment axle defining a forward attachment axis, and an axle housing separated from the forward attachment axle by axle bearings, the pair of front fork dropouts being engaged with the first attachment position via the forward attachment axle, wherein the slider assembly of the first attachment position comprises a fork carriage and at least one linear bearing, and wherein the at least one linear bearing facilitates the translation of the forward attachment axle and the fork carriage in the forward and the backward directions with respect to the cargo attachment, characterised in that the forward attachment axle may rotate about the axle bearings and the forward attachment axis, but is prevented from rotating or tilting in any other axis. an existing bicycle comprising: a front fork comprising a pair of front fork dropouts; a rear wheel; a primary frame; a steering mechanism including handle bars connected to the front fork a front fork comprising a pair of front fork dropouts; a rear wheel; a primary frame; a steering mechanism including handle bars connected to the front fork and journaled to the primary frame for turning the front fork; and a primary frame head tube supporting the steerable front fork, wherein the primary frame head tube is mounted at an angle with respect to the ground; and a cargo attachment securely coupled to the existing bicycle, the cargo attachment comprising: one or more front wheels; and a first attachment position engaged with the pair of front fork dropouts, wherein the first attachment position comprises a cargo attachment head tube connected to a cargo frame of the cargo attachment, an axle assembly, and a slider assembly separating the axle assembly from the cargo attachment head tube, wherein the cargo attachment head tube is mounted at an angle with respect to the ground and defines a steering axis; wherein the axle assembly comprises a forward attachment axle defining a forward attachment axis, and an axle housing separated from the forward attachment axle by axle bearings, the pair of front fork dropouts being engaged with the first attachment position via the forward attachment axle, wherein the slider assembly of the first attachment position comprises a fork carriage and at least one linear bearing, and one or more front wheels; and a first attachment position engaged with the pair of front fork dropouts, wherein the first attachment position comprises a cargo attachment head tube connected to a cargo frame of the cargo attachment, an axle assembly, and a slider assembly separating the axle assembly from the cargo attachment head tube, wherein the cargo attachment head tube is mounted at an angle with respect to the ground and defines a steering axis; wherein the axle assembly comprises a forward attachment axle defining a forward attachment axis, and an axle housing separated from the forward attachment axle by axle bearings, the pair of front fork dropouts being engaged with the first attachment position via the forward attachment axle, wherein the slider assembly of the first attachment position comprises a fork carriage and at least one linear bearing, and wherein the at least one linear bearing facilitates the translation of the forward attachment axle and the fork carriage in the forward and the backward directions with respect to the cargo attachment, characterised in that the forward attachment axle may rotate about the axle bearings and the forward attachment axis, but is prevented from rotating or tilting in any other axis.