Hey all you guys running with a single front ring. Ever have problems with the chain bouncing around and derailing off the chainring?

I'm thinking about building up a light off road machine with single (42 maybe) front ring and 11-34 in the back.

Thanks,
Dave

I can happen. CyclocrossWorld (http://shop.store.yahoo.com/cyclocrossworld/chainringskits.html) sells kits with everything you need.