How to fix your Stuck Throttle?

1. Make sure that the throttle is not pinched by the front brake lever. If it gets pinched, it will separate the casing on the throttle, causing the shifter to stick.
2.  If your casing splits, just loosen up the front brake, reposition the casing (moving the side closest to the handlebars down toward the bottom of the throttle) and then re-tighten down the brake lever.
3. You might need a 3mm Allen wrench to move the throttle, depending on how your cockpit is set up!