Look at the trademark, appearance and workmanship.

1. Trademarks and marks. The genuine trademark is finely processed, the surface is oxidized and golden yellow, bright, the paint is clear and distinct, the fine paint part is transparent, red with a little purple, bright, most parts of the whole bike have the characteristic marks of Tianjin Bicycle Factory, the rims and handlebars Other parts have a flying pigeon stencil pattern, and the pigeon shape is plump and well-proportioned.

2. Appearance quality, genuine painted parts adopt phosphating process and are all covered with paint. The decals are finely printed and have bright colors. The decals are on the inner layer and covered with varnish, so they cannot be scratched off with a fingernail. The joints of each component are welded tightly, the painted surface is smooth and clean, and the surface of the middle joint is smooth and has no welds.

3. Intrinsic quality. There are two circular paint holes on the upper and lower sides of the genuine front face tube, and the hole length is 13 mm. The inside of each beam and pipe joint is painted and rust-free. The paint color is bright. Each component must be inspected and inspected before being assembled into a vehicle. The rim is connected on both sides, and the handlebar pins are chamfered and round.