[MENTION=407228]SpaceGoat[/MENTION], consider getting one of these. You can improve your strength. Also, there are ways to finesse things as a substitute for raw strength. For instance, if you have a quick release lever for adjusting your seat height, you can put an adjustable wrench on the end of the lever to effectively lengthen the lever. That will make the job extremely easy. There are also ways to position your hand to apply more force or feel less pain.