Quick detail of the type

 Type: track bike    

Frame material: steel ,paintng.

Fork material: steel,painting

Rim material: steel

Tire: air tire/foam tire/airless  tire

Wheel size:12, 14,16,20

F/Rbrake:caliper brake/Vbrake/coaster brake/disc brake 

.chaincover :painting
mudguard: steel,CP/UCP/ED

.crank: CP/UCP/ED
chain :full chain

.pedal: plastic

saddle: intimate and good leather 

Attachment: back seat, ,training wheels, the basket could be ordered