Compatibility: Sonic Ergo (35a, 43a, 45/25a, 50a and 45ar), Supersonic Ergo (35a, 45/25a and 50a), Subsonic Bracket, J3 Bracket and J2 Bracket, T Carbon Series, T Aluminum Series Aerobars Includes: 2 risers and 4 bolts specific to the kit size Maximum Height: Kits available in 15mm (5,10 or 15mm), 20mm, 30mm, 40mm, 50mm, 60mm or 70mm Clamp Diameter: 31.8mm Weight: 10mm – 14g, 5mm – 7g Risers cannot be stacked
