Upgrade your Shimano RevoShift to Trigger Shifter for Faster Gear Changes - YouTube
REVOSHIFT(レボシフト) シフター | SHIMANO BIKE COMPONENT
Shimano Revo-Shift SL-RS45-6 Cover & Fixing Screw
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 shifter Nexus-5 Revo right 2320mm rubber black - Internet-Bikes
Shimano Tourney SL RS36 RS35 RS25 Revoshift Bike Twist Shifter Lever 3/6/7Speed 18s 21s RS35 as RS31For MTB Bike Bicycle Parts|shifter brake lever|twist shifterbike shifter - AliExpress