【High Quality Material】: C-Hubs is made of quality solid brass, wear-resistant, strong and durable, can use for a long time. 【Long-lasting Performance】: The upgrades part is durable enough,improves the overall performance of the rc car.Specially designed strengthening cut-outs for increased crash resistance. 【Easy to Install】:Easy to install, great for replace the old or broken part.Increase overall performance and durability of your MK-07 Crawler