![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 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](https://preview.redd.it/xbz2kfj9mbx01.jpg?auto=webp&s=a17a5788686bdc980b64163a7e123b3a27228459)
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
![Amazon.com: ZUKKA Revoshift 6 Speed Shimano Right Shift Lever SL-RS35-6R Bicycle Twist Shifter Lever Mountain Bike Commuter Bike Folding Bike : Sports & Outdoors Amazon.com: ZUKKA Revoshift 6 Speed Shimano Right Shift Lever SL-RS35-6R Bicycle Twist Shifter Lever Mountain Bike Commuter Bike Folding Bike : Sports & Outdoors](https://m.media-amazon.com/images/I/51ZJaavv9AL._AC_UF894,1000_QL80_.jpg)
Amazon.com: ZUKKA Revoshift 6 Speed Shimano Right Shift Lever SL-RS35-6R Bicycle Twist Shifter Lever Mountain Bike Commuter Bike Folding Bike : Sports & Outdoors
![Amazon.com: Shimano Revoshift SL-RS35,7 Speed Bike Right Shift Lever for Mountain Bicycle : Sports & Outdoors Amazon.com: Shimano Revoshift SL-RS35,7 Speed Bike Right Shift Lever for Mountain Bicycle : Sports & Outdoors](https://m.media-amazon.com/images/I/61GGfa4V-yL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Shimano Revoshift SL-RS35,7 Speed Bike Right Shift Lever for Mountain Bicycle : Sports & Outdoors
![3 7 Speed Shifters Shimano | Shimano Shifters Revoshift | Shimano Revoshift 7 Speed - Bicycle Shifters - Aliexpress 3 7 Speed Shifters Shimano | Shimano Shifters Revoshift | Shimano Revoshift 7 Speed - Bicycle Shifters - Aliexpress](https://ae01.alicdn.com/kf/H05eca7c064844bbd82df6bcfd79555e8Q/SHIMANO-Tourney-3x6-7-Speed-Shifters-SL-RS35-REVOSHIFT-Shift-Lever-3-6s-3-7s-6v.jpg)
3 7 Speed Shifters Shimano | Shimano Shifters Revoshift | Shimano Revoshift 7 Speed - Bicycle Shifters - Aliexpress
![Bicycle Bike Shifting Lever | Shimano Shifters Revoshift | Bicycle Shimano Revoshift - Bicycle Derailleur - Aliexpress Bicycle Bike Shifting Lever | Shimano Shifters Revoshift | Bicycle Shimano Revoshift - Bicycle Derailleur - Aliexpress](https://ae01.alicdn.com/kf/Hcfead60efd3f434798f937d3e4dfc3a5n/shimano-Revoshift-SL-RS35-3X6s-3X7s-grip-Twist-Shifter-18S-21s-MTB-Bicycle-Bike-Shifting-lever.jpg)
Bicycle Bike Shifting Lever | Shimano Shifters Revoshift | Bicycle Shimano Revoshift - Bicycle Derailleur - Aliexpress
![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 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](https://m.media-amazon.com/images/I/61E4DNlMiVL.jpg)