50 SLC Aerobar Extensions 400mmThe 50 Super Light Carbon (SLC) was developed to deliver both the lightest possible carbon extension and to offer riders of high end bikes the ability to use our Aeroport Di2 adaptor with a carbon extension. The purpose of extensions is to provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position. We provide different fit options so each rider can