SunRace TSM21 Right Twist Shifter - 7 Speed; 2:1 Shimano Ratio
 
Indexed shifting with numeric indicator showing what gear the rider is in
2:1 actuation ratio, compatible with Shimano-type drivetrains
Cable Adjuster
Light Action Shift - Both Directions
TPR Grip
Galvanized Cable
Speed: 7 speed indexed
F/R: rear
Weight: 90g
Color: black/grey