The new Metal Blast Aero Bars feature 25mm longer extensions (165mm) and a re-designed pads system made form a combination of Lycra and from for a more comfortable ride. 
The longer extensions are specifically designed for triathlon, Olympic and sprint races. Meets ITU ruling.
These are the perfect compliment for any racing bike. 
Specs

Material: Alloy 6061 extensions
Length: 165mm (from handlebar centre)
Width: 90mm
Handlebar Dia: 31.7mm
Armrest Plate: Superlight and adjustable alloy 6061 armrest plate
Pads: Lycra outside, foam inside
Bridge: Nylon (16g) Included
Weight: 266g

UCI and ITU Approved