Originally Posted by arnijr

Great looking bike. Would look better without the multi-speed freewheel though. You know you can get thread on single speed freewheels that would fit that hub? Basically BMX freewheels. They don't go quite down to 14 tooth though, you'd have to move to the outer chainwheel and get a correctly sized freewheel to retain the gearing. See freewheels here and advice here. Might have to re-dish the rear wheel to get a good chainline and possibly move the large chainwheel to the inner position on the spider, if possible.