【Compatible with】:The Upgrades Part for 1/5 X-Maxx 6S Monster Truck(77076-4),1/5 X-Maxx 8S Monster Truck(77086-4)
【High-quality Material】Made of harder Steel, not easy to damage, which is stronger, more stable, wear-resistant, environmentally friendly and has a long service life.
【Great Performance】:The gear set is with precision manufactured gear teeth for smooth, consistent performance,they works with low noise.
【Easy to Install】:The Hops Up Upgrades Set can be directly installed, do need any modification. It is designed to allow more smooth rotation and strength! Providing unmatched driving versatility.
【Tips】:In order to make the product more stable and make the screws not easily separated from the upgraded accessories, please stick screw glue on any metal-to-metal connection. Especially the position of various screw holes.