踏板采铜制镀铬，踏板更灵敏，无杂音，经久耐用，美观大方。

Pedal is made of chrome-plated chrome so that more sensitive, no noise, durable, beautiful and generous.

橡胶尼龙脚轮；保证安全和好搬运，不会因为轮轴生锈推不动而刮花地面

Pedal is made of chrome-plated chrome so that more sensitive, no noise, durable, beautiful and generous.Super rubber nylon casters;Space shuttle is dedicated to ensure safety and good handling, to avoid the axle rust pushed and scratched the ground.