my arm has fallen off!

billysmeg
billysmeg Posts: 25
edited June 2008 in MTB workshop & tech
Yes,thats right, my left crank arm just dropped off on a ride today.
I got a genesis core 20 in jan and i knew all about checking nuts & bolts after rides but never got round to it.
its a Shimano octalink m442 chainset and what i need to know is this;
the "bolt" that holds that arm on can they be purchased,are they cheap,should i just take it to my LBS to sort it out?
thanks for any help..

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