IMPROVEMENTS IN MAKING LIGHT ALLOYS tubulars, designed to withstand high mechanical stresses, MANILLAR AND ESPECIALLY SUPPORTS FOR BICYCLES nipples

摘要

Improvements in the manufacture of tubular pieces in light alloy designed to withstand high mechanical stresses especially handlebar brackets and connecting sleeves for bicycles characterized by the fact that the parts forming them are constructed with two semi-tubular fixed halves are joined and coupled.