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 to lower gears. Is there a tension adjustment that will make it easier for he
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 to lower gears. Is there a tension adjustment that will make it easier for he