The shifting on a GS or GX is controlled with the microshift twist shifter.
To change into a higher gear, rotate the twist shifter towards you, or wrist down.
To change into a lower gear, rotate the twist shifter away from you, or wrist up.
The current gear you are in can be seen in the indicator window on the shifter
For the shifting to work, we recommend releasing pressure from the pedals to allow the gear to change.
To adjust the shifting please see the following article - Adjusting the Shifting
If you have any questions or issues, please contact Gocycle Tech Support using our contact form.