Replacing Shimano Revoshift With SRAM Grip Shift Shifters - YouTube
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 Revoshift SL-RS35,7 Speed Bike Right Shift Lever for Mountain Bicycle
Shimano Bicycle Derailleur RS35 RevoShift Easy Gear Changing Shift Lever 3*6/7 18/21 Speed MTB Mountain Bike Folding / City Bike|Bicycle Derailleur| - AliExpress
Manette SHIMANO RevoShift 3v Droite RS35
Shimano RevoShift 21 Speed Shifter Set SL-RS35-R/L - Walmart.com