Get ahead right from the start with SRAM 3.0 components. A great value for beginners or light adventurers they deliver the superior technology and materials typically found only at much higher price points.Twist shifting at its best and highest performanceFastest front and rear multiple shifts in a race-proven package1:1(R) Actuation Ratio for light precise indexing"Micro" index shifter features fixed gear positions but also allows riders to make small adjustments to positioning if needed