trouvé chez block8
Ca se raproche un peu de ce que tu voulais au départ 
http://www.block8.ca/products/12-gauge-handle-bar/
Designation: Street, Dirt Jumping, Freeride
Four piece US mill spec cromoly bar that can take anything; bottom line. Welded in Canada these are the weapon of choice for park, dirt jump, and street missions.
Tech:
US mill spec cromoly 
3″ rise with 28″ width 
Available in black or clear powdercoat 
Heavy duty knurling on bar clamp to prevent bar rotation 
Made in Canada 
1.8 pounds