Get ahead right from the start with SRAM 3.0 components. A great value for beginners or light adventurers, they deliver the superior technology & materials typically found only at much higher price points. The SRAM 3.0 Competition 8 Speed Rear Twist Shifter. Featuring SRAM's 1:1 actuation ratio & SRS technology for light, precise indexing. 1:1 Actuation is superior by design. Every unit of cable you pull moves the derailleur the same amount. Actuation stays precise & fluid slogging through mud, bouncing off rocks, rutting through roots wherever you find yourself, whatever conditions you're in. It's dependable. Tolerant. Easiest to set up. Easiest to adjust.