заводские 21/27 скорость дорожный велосипед 700c дисковый тормоз дорога внедорожных спортивных автомобилей j740

material high carbon steel frame structure whole car processing customization yes brand phoenix phoenix fold or not no propulsion mode chain model j740-30 load 150kg frame type hard frame front fork type spring fork (low-end without damping) pedal type beaded pedal brake system double disc brake brake type front and rear mechanical disc brake configuration grade standard color black red-21 speed black blue-21 speed black yellow-21 speed white blue-21 speed black red-27 speed black blue-27 speed