variable speed fixed gear bike adult male and female students commuter road racing live flying solid tire disc brake mountain bike

flagship variable speed 40-greenish white(旗舰变速40刀-绿白色) flagship variable speed 40 knives-panda(旗舰变速40刀-熊猫款) flagship variable speed 40 knives-white and blue(旗舰变速40刀-白蓝色) flagship variable speed 40 knives-sky blue(旗舰变速40刀-天蓝色) flagship variable speed 40 knives-rainbow color(旗舰变速40刀-彩虹色) flagship variable speed 40-white and black(旗舰变速40刀-白黑色) flagship variable speed 40-fine silver(旗舰变速40刀-雪花银) flagship variable speed 40 knives-pearl white(旗舰变速40刀-珍珠白) flagship variable speed 40 knives-green black(旗舰变速40刀-绿黑色) flagship variable speed 40 knives-black and red(旗舰变速40刀-黑红色) flagship variable speed 40 knives-red and black(旗舰变速40刀-红黑色) enjoy variable speed 60 knives-greenish white(尊享变速60刀-绿白色) enjoy variable speed 60 knives-panda style(尊享变速60刀-熊猫款) enjoy variable speed 60 knives-white and blue(尊享变速60刀-白蓝色) enjoy variable speed 60 knives-sky blue(尊享变速60刀-天蓝色) enjoy variable speed 60 knives-rainbow color(尊享变速60刀-彩虹色) enjoy variable speed 60 knives-white and black(尊享变速60刀-白黑色) enjoy variable speed 60 knives-fine silver(尊享变速60刀-雪花银) enjoy variable speed 60 knives-pearl white(尊享变速60刀-珍珠白) enjoy variable speed 60 knives-green black(尊享变速60刀-绿黑色) enjoy 60 variable speed knives-black and red(尊享变速60刀-黑红色) enjoy 60 variable speed knives-red and black(尊享变速60刀-红黑色)

standard 24-speed/pneumatic tire(标配24速/充气胎) high-spec 27-speed/pneumatic tire(高配27速/充气胎) high-spec 27-speed/solid tires(高配27速/实心胎) standard 24-speed/solid tire(标配24速/实心胎)