1, trademark, logo. Authentic trademarks have been finely processed, and the surface oxidation is golden yellow and bright, the paint is clear and distinct, the color of the fine paint part is transparent, and the red part is purple and bright. Most parts of the whole car have the characteristic signs of Tianjin Bicycle Factory, and the rims, handlebars and other parts have flying pigeon steel seal patterns, and the pigeon shape is full and symmetrical.
2, appearance quality, genuine paint part adopts phosphating process, all covered with paint. The stickers are beautifully printed and brightly colored. The decal is on the inner layer and the outer layer is varnish, which can't be scraped off with nails. The joints of all parts should be welded tightly, the painted surface should be smooth and clean, and the surface of the intermediate joint should be smooth and free of welding joints.
3. Internal quality. There are two circular paint holes on the front tube of the genuine product, the length of which is 13mm. All parts of the beam pipe joint are painted without corrosion. The paint is bright. All parts can be assembled into a car only after they have passed the inspection. The rim is double-jointed, and the handlebar bolt is round.