adult mountain bike 26/24-inch variable speed disc brake off-road bicycle student 21/24/27 speed shock-absorbing city bicycle

black-high configuration [no shock absorption]](黑色-高配【无减震】) white-high configuration [no shock absorption]](白色-高配【无减震】) iron gray-high configuration [no shock absorption]](铁灰-高配【无减震】) black-top(黑色-顶配) white-top(白色-顶配) green-top(绿色-顶配) iron gray-top(铁灰-顶配) black-three-cutter wheel(黑色-三刀轮) white-three-cutter wheel(白色-三刀轮) red-three-cutter wheel(红色-三刀轮) green-three-cutter wheel(绿色-三刀轮) iron gray-three-cutter wheel(铁灰-三刀轮) black-six cutter wheel(黑色-六刀轮) white-six cutter wheel(白色-六刀轮) red-six cutter wheel(红色-六刀轮) green-six cutter wheel(绿色-六刀轮) iron gray-six cutter wheel(铁灰-六刀轮) black-ten cutter wheel(黑色-十刀轮) white-ten cutter wheel(白色-十刀轮) green-ten cutter wheel(绿色-十刀轮) iron gray-ten cutter wheel(铁灰-十刀轮)

24-inch 21-speed-height 150-160cm(24寸21速-身高150-160厘米) 26-inch 21-speed-height 160-180cm(26寸21速-身高160-180厘米) 24-inch 24-speed-height 150-160cm(24寸24速-身高150-160厘米) 26-inch 24-speed-height 160-180cm(26寸24速-身高160-180厘米) 24-inch 27-speed-height 150-160cm(24寸27速-身高150-160厘米) 26-inch 27-speed-height 160-180cm(26寸27速-身高160-180厘米)