i continue to get semi severe leg cramps during a h.s. and enduros,,, i hyhdrate like crazy the week before, take vitamin e , potassium... all the things i know to do,,, they start in the calves and eventually work into my thighs and eventually my hands,,, i can fight it off and continue my ride but it sucks!!! it always seems to happen after about 90 min. into the event or sooner if its a slick course ( lots of leg plants!!)..... any help!!! i have to figure this out!! thanks cw