The 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 utilises 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® technology delivers smooth up- & downshifts in one motion