The broken lines in the drawings form no part of the claimed design. The claimed design is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
It is understood that the foot pedals and the hand cranks are mounted for rotational movement about their respective axles such that the relative rotational position of the foot pedals and the hand cranks as seen in the Figures is representative of only one position for each of these elements about their respective axes of rotation.