Originally Posted by dukerider

I bought my wife Dahon Helios 8 speed. Its been great as it has got her cycling to work each day. Trouble is, the chain keeps slipping off the front single chainring. It sems to happen most when changing from 7th to 8th gear, but has recently started happening in lower gears as well. It only happens when shifting. I have checked the derailieur travel adjustment and am convinced that it cannot move beyond the 8th sprocket.

It is becoming a real pain as if does NOT like oily fingers.

Any suggstions? Is it a known problem with Dahon's? I'll also post this to folding forum.

Cheers