One Size Fits All The new Apex Shifter, like every Sram road group, features the proprietary Double Tap technology, which offers benefits such as independent "reach adjust" for both shift & brake levers. The Apex shiftlever utilizes a single lever for shifting & a dedicated lever for braking. All of these mechanical features are packaged in an exceptionally light 344g package, & features no external cables to maximize aerodynamics & provide a sleek look. Proprietary Double Tap&174; technology delivers smooth up- & downshifts in one motion Ergonomic design is comfortable, aerodynamic, & hides all cables, while weighing only 344g High pivot brake lever with reach adjust