... fixed gear bike, single speed road bike, track bike2) alloy frame and fork, or hi-ten steel3) Handle bar: ... gear 16T and freewheel8) Crank: alloy crank, 5 arms9) Brake: front sidepull brake, alloy10) Rim: alloy rim, 700C, Deep V type11) Saddle ... : Vinyl saddle, with rail12) Seatpost: alloy seatpost13) Pedal: alloy pedal,with tip-toe ...