Pedal-drive vehicle and frame for a pedal-drive vehicle

A pedal-drive vehicle comprising a frame having a first portion, a seat tube, and a down tube, wherein the seat tube and the down tube each have an end that terminates at the first portion;

• wherein the first portion of the frame defines an open channel;
• wherein a drive assembly having a crank axle and an electric motor is releasably securable in the open channel, such that the drive assembly defines a longitudinal operational axis;
• wherein a battery is located within a compartment or hollow interior of one of the seat tube and the down tube;
• wherein the battery is provided for transmission of auxiliary power to the electric motor of the drive assembly, via an aperture in the first portion, such that the battery can communicate with the drive assembly through the aperture when in the compartment or hollow interior;
• wherein the frame is configured such that the battery is removable from the compartment or hollow interior along an axis of reciprocation within the seat tube or down tube, via the aperture in the first portion, when the drive assembly is released from the open channel;
• wherein the frame includes mechanical fixture points adjacent the open channel for releasably securing the drive assembly in the open channel;
• and
• wherein the vehicle is configured so that the drive assembly is moveable out of the channel when coupled to one of said fixture points, wherein the drive assembly is configured to be pivotably connected to the frame such that the drive assembly is moveable out of the channel via a pivoting movement.