Lightweight clip-on aerobars constructed from aluminum (complete kit): 

• Designed for triathlon riders, they’ll ease you into an aerodynamic but sustainable position
• 60mm of adjustability upfront
• 30mm of elbow pad

Specifications :

• Material：AL6061
• Length Max：303 mm (C to C)
• Length Mini：253 mm
• Extension Bar: J Bar, Up (C to C) 55mm
• Armrest's R/L adjustable：R/30mm, L/30mm
• Armrest's +/- adjustable angle：15° (+/- 7.5°)
• Option Spacers：20mm, 40mm and 60mm (not provided)
• Weight：462g (with pads)