The SunRace M403 3x7 Trigger Shifter Pair are perfect to take your bike to the next level. These trigger shifters are designed with an optical gear display window as well as a push-pull style shifter mechanism with composite levers. The right hand shifter can shift up to 5 gears with one shift for ease of use. Get the best quality and performance for your bike with the SunRace M403 3x7 Trigger Shifter Pair!