\n \nRisers easily add height to Profile Design aerobars to dial in your fit. \n \nAchieve Optimal Positioning: Achieve optimal positioning with the Aerobar Bracket Riser Kit. Easily adds height and quickly adapts Sonic Ergo (35a, 45/25a and 50a), Supersonic Ergo (35a, 45/25a and 50a), Subsonic Bracket, J3 Bracket and J2 Bracket, T+ Carbon Series, T+ Aluminum Series Aerobars to fit a wide range of riding styles. \n \nCompatibility: Sonic Ergo (35a, 45/25a and 50a), Supersonic Ergo (35a, 45/25a and 50a), Subsonic Bracket, J3 Bracket and J2 Bracket, T+ Carbon Series, T+ Aluminum Series Aerobars \n \nIncludes: Kit includes risers and bolts specific to the kit size \n \nMaximum Height: Kits available in 15mm (5,10 or 15mm), 20mm, 30mm, 40mm, 50mm, 60mm or 70mm \n \nClamp Diameter: 31.8mm \n \nWeight: 10mm - 14g, 5mm - 7g \n \n