backrest for the bicycle
pinshape
Rest your back while you are cycling , as if you were on the armchair in your home. instructions : first step: print all the pieces: backrest support rods x2 the upper right of the backrest x1 the upper left of the backrest x1 hitch bike saddle right side x1 hitch bike saddle left side x1 lower part of the backrest x2 And buy or obtain the following materials: Two metal rods 2 cm by 45.5 cm diameter long Two metal bars 1 cm in diameter by 20 cm long Two metal bars 1 cm in diameter by 30 cm long two screws and two nuts . Second step: putting the pieces as shown in the picture Third step: adjust the backrest to the seat Step Four : Enjoy
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