Originally Posted by rost495
A buddy clears trail for the iditarod... says chains shatter awful easy at some certain temp so they just shut down the maintenance if it gets that cold.

Sorry Jeff.

I've run one down to -40 to -50 in Fbx. Never shattered a chain. In fact never even heard of it until this thread.

That sounds like a Reality TV statement.

ETA:
After a minute of idle, the chain should be plenty warm to not be stressed. At those temps they will stretch a lot when warm and if the bar is not not loosened when done, the chain will tighten enough that they could break.

Last edited by ironbender; 01/15/17.

If you take the time it takes, it takes less time.
--Pat Parelli

American by birth; Alaskan by choice.
--ironbender