Chain Keeps coming off

[Dud]

I've got a cheap pitbike and it has no chain device and as a result my chain keeps coming off. Anyone have any idea where you can get chain devices for an MX style single swingarm? Or has anyone bodged one together themselves?
Cheers
Dud

[Lewis_#101]

Have done it, race spec do a chain guide but for something else

[kirky]

ebay number 180013238452http://pics.ebaystatic.com/aw/pics/globalAssets/rtCurve.gifthis might be what your looking for?