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
How to Replace a GripShift Cable (with Video) | BikeRide
Shimano RevoShift 6 Speed Shifter, Sports Equipment, Bicycles & Parts, Parts & Accessories on Carousell
Shimano Revoshift 6 Speed Grip Shifter SL-RS31-6 CI Deck Gear Display NOS Cable | eBay