Shimano Bike Twist Shifter Lever Rs25/35 Revoshift Turn Handle 6/7-speed 18/21-speed Mountain Bike Folding Bike Transmission - Buy Shimano Revoshift,Bike Twist Shifter Lever,Rs25/35 Revoshift Product on Alibaba.com
My daughter's Trek came with a 6-speed Shimano Revoshift SIS Index. It's a new bike. She can shift to higher gears easily but does not have the grip strength to shift back
SHIMANO TOURNEY Right Shift Lever 6-speed | SHIMANO BIKE-EU