You can quickly tell if someone is a strong cyclist by looking at how straight they go, both hands, one hand and no hands on the handlebars. All over the road?

You can quickly tell if someone is a strong cyclist by looking at how straight they go, both hands, one hand and no hands on the handlebars. All over the road? Usually weak. Can stay on a road line? Probably ok. Can stay on the inside edge of a road line? Look out.