bicycle high carbon steel road bike 700c(27.3-inch) 21 speed sports car disc brake variable speed student car

typeroad bike gendermen fork suspensionyes foldableno applicable peoplenet weight16kg length (m)1.33 volume0.1 m3 stature160-185cm front fork typeresistance rubber (medium gear non-damping) braking systemdouble disc brake frame typehard frame (non-rear damper) pedal typebead pedal gross weight18kg load capacity100kg gears21 speed frame materialhigh carbon steel fork materialhigh carbon steel rim materialhigh carbon steel wheel size27.3 inch