The Crononero Low Rider shape harks back bars that Greg LeMond used to win the Tour de France in 1989.
A shape that many professional riders rode to countless victories over the years. Recently these handlebars have become more popular for fixed bikes while maintaining a classy heritage style. 
The handlebar features a 60mm lower hand position than the standard flat ride and it fits all extensions using 31.7mm clamp diameter.
Features:

Shape: Low Rider / Cow Horn
Profile: Round
Material: Alloy 6061
Clamp Diameter: 31.7mm
Wing Drop: 60mm
Sizes: 40cm, 42cm, 44cm (measured outside to outside)
Finish: Matt Black Anodized
UCI Approved: Yes 3:1 rule
Weight: 279g 42cm