1 frame and Fork: steel ( double top bar  )

2 Rim: steel

3 Tire&tube 28"* 1-1/2, rubber

4 Chain wheel: steel

5 Crank: steal cp

6 Handle bar @ stem: steel cp

7 Saddle post: steel cp

8 Brake: rim brake

5 Chain cover: full or half chain cover, steel

6 Front large size dynamo lighting set (optional)

7 Carrier: CP heavy duty

10 Stand: rear doulbe stand

11 Saddle: artificial leather