A stabilised wheelchair configured for a user suffering lower extremity weight loss comprising: a frame that supports a seat and which is moveable over the ground surface by a set of manually operable rear propulsion wheels and one or more forward steering wheels. The stabiliser assembly comprises a weight device that is releasably secured to the frame of the wheelchair by a mounting assembly at a position forward of the rotation axis of the rear propulsion wheels of the wheelchair and which has a weight that is sufficient to counterbalance the user's lower extremity weight loss to maintain fore-aft stability of the wheelchair in use.
