... 4. Safety and durability We can produce bicycle, folding bike, mountain bike, baby walkers, kids ... cablesderailleur shift lever setdisc-brake shockdown tube spokeelectric bicycle stayfender steel ballsfork stemframeset suspensionfreewheel tapegrip tirehandlebar ... top tubehead tube valvekickstand V-brakeleverset water bottleThe company's products, diverse species, complete specifications, quality and ...