Abstract: A cycle rack comprises a seat attachment assembly configured for attachment of the rack to rails of a seat. A seat post interface is configured to abut a seat post. A frame has a bag interfacing portion adapted to support a bag, a front end portion connected to the seat post interface, and a pair of elongated frame members extending from the front end portion to the bag interfacing portion. A pair of sliders are connected to the seat attachment assembly, each of the sliders forming a channel for each individually receiving therein a respective one of the elongated frame members so as to allow sliding movement of the elongated frame members relative to the sliders.

Abstract: Bikes typically include a seat that has a seat member that extends along a bottom portion of the seat. A rack for such a bike includes a bracket, a platform, a clamp, and a hand operated quick connector. The bracket includes a platform side for connection to the platform. The bracket also includes a clamp side that has the clamp configured for providing a clamped connection to the seat member. The hand operated quick connector is located on the platform side and/or on the clamp side.

Abstract: Bikes typically include a seat that has a seat member that extends along a bottom portion of the seat. A rack for such a bike includes a platform, a bracket, and a rotatable member. The bracket is configured for at least temporary immovable connection to the seat member. The rotatable member is between the bracket and the platform. The rotatable member is configured for adjusting angle of the platform around a horizontal axis.