Folding bicycle (10), whose gear with pedal unit (110) and rear wheel (12) can, by means of articulation and locking devices (25, 45, 105) be brought up to the upper part of the frame (20), the handlebar (60) be moved downwards, the steering column (50) with handlebar rod (63) pressed into it, be moved against the front wheel (11), the group comprising, side by side, the front wheel (11), and column (50) of the handlebar, be moved against the rear wheel (12) and pedal unit (110), a tie rod (107) supporting the saddle (13) be moved inside an upper tubular extension (23') of the frame (20), the tube (100), with the tie rod of the saddle (13) pressed into it, be rotated towards the frame (20), the pin of the left pedal be rotated until it lies beside said group, reducing the overall bulk of the bicycle (10) substantially to the dimensions of the two wheels (11, 12) when placed side by side.

Bicicleta dobrando-se (10), cuja a engrenagem com unidade do pedal (110) e a roda traseira (12) enlate, por meio do articulation e travar os dispositivos (25, 45, 105) seja trazido até a parte superior do frame (20), o handlebar (60) seja movido para baixo, a coluna do steering (50) com a haste do handlebar (63) pressionada nele, seja movido de encontro à roda dianteira (11), grupo que compreende, de lado a lado, a roda dianteira (11), e a coluna (50) do handlebar, seja movida de encontro à roda traseira (12) e à unidade do pedal (110), uma haste de laço (107) que suportam a sela (13) seja movida dentro de uma extensão tubular superior (23 ') do frame (20), o tubo (100), com a haste de laço da sela (13) pressionada nela, seja girada para o frame (20), o pino do pedal esquerdo seja girada até que se encontre ao lado de grupo dito, reduzindo o volume total da bicicleta (10) substancialmente às dimensões das duas rodas (11, 12) quando colocada de lado a lado.

 
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