Chasis / bastidor BULTACO TRALLA / METRALLA / TS / TSS 4 velocidades años 1966 a 1970 este chasis viene de talleres grau de barcelona y corrieron con el en la epoca no se si es original o una preparacion de la epoca , esta en buen estado no tienen ningun numero de bastidor grabado
frame BULTACO TRALLA / METRALLA / TS / TSS 4 speed years 1966 to 1970 this chassis comes from Grau workshops in Barcelona and they ran with it at the time I don't know if it is original or a preparation of the time, it is in good condition they do not have no stamped frame number