3t aero brake levers proaero brake levers pro fit 3t aerobars and other bars with standard handgrips sold in pairs they fit securely over the ends of 24 mm diameter bars they are robustly built in aluminum with internal brake cable routing and a return spring for light action suitable for single and double pivot brakes they take a cable with a pancake mtb end at a mere 4mm in width these are the most aerodynamic brake levers available and weigh just 60g the pair featuresweight 60gm