The present invention handle operation with a simple structure to provide a light wheelchair bicycle. A apart front wheel shaft to hold the front wheels 1 and a pair of front wheels 1 which are arranged at a distance from each other solely in the respectively axially supported in a freely forward and reverse rotation at both sides and on both sides of the front wheel shaft a pair of bearings which are arranged is mounted, and a seat receiving attached to both sides of the spring and the seat to be fitted to the guide rod and the guide rod attached to the bearing, in a state of placing the tour conductors said seat, driver There will be possible to travel by depressing the pedal. Furthermore, the central to the support bearing 3 mounted of the front wheel axle, the bearing so that the main frame 5 to support bearing 3 is set is provided up and down, to insert the support shaft. .BACKGROUND【課題】シンプルな構造でハンドル操作が軽い車椅子自転車を提供する。【解決手段】両側に離間して配置した一対の前側車輪1をそれぞれ単独に正逆回転自在に軸支して前側車輪1間を保持する前側車輪軸とその前側車輪軸の両側に離間して配置した一対の軸受けを装着し、前記軸受けに取付けられるガイドロッドとそのガイドロッドに外挿されるバネと座席の両側に取付けられる座席受けを備え、前記座席に添乗者を乗せた状態で、運転者がペダルを踏み込むことで走行可能とする。さらに、前側車輪軸の中央に支持軸受け3が取付けられ、前記支持軸受け3に主フレーム5がセットされるようにベアリングが上下に備えられ、支持軸を挿入する。【選択図】図6