Cramp

Just new to this lark and have been commuting to work and back (4 miles to and 10 miles back )for the last few week, 3 -4 times a week and have got cramp in the left calf on a number of occassion.
No idea why. I'm over doing it, quiet a good level of fitness due to five aside and running.
Getting their
No idea why. I'm over doing it, quiet a good level of fitness due to five aside and running.
Getting their
Getting there
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my freiend always got very bad cramps, the doctor told him to drink lots of fluids before riding and also get some recovery salts.