Patent ID: 7350437

Claim:
Handlebar for cycles and motorcycles comprising a bent tube so as to define: a median section presenting a central portion having a diameter d 23 and a thickness s 23 for fixing the handlebar; two end sections for holding the handle bar, each end section having a central portion having a diameter d 27 and a thickness s 27 ; and two intermediate sections, each intermediate section having a central portion linking to said median section in an internal bending zone and to a respective one of said end sections in an external bending zone, said external bending zone having a thickness s 26 and each central portion having a diameter d 25 and a thickness s 25 ; said handlebar presenting variable diameter and thickness, wherein said diameter varies according to the following law: d 23 >d 25 >d 27 and the thickness of the handlebar varies according to the following law: s 26 >s 23 >s 25 >s 27 .