Universal Cycles -- SunRace TSM21 Right Twist Shifter - 7 Speed; 2:1 Shimano Ratio [TSM21.R70S.GS0.HP]
Twist Right Shifter 7/Speed Shimano Revo.
Amazon.com: ZUKKA Revoshift 7 Speed Shimano Right Shift Lever SL-RS35-7R Bicycle Twist Shifter Lever Mountain Bike Commuter Bike Folding Bike : Sports & Outdoors
SHIMANO TOURNEY Right Shift Lever 7-speed | SHIMANO BIKE-EU