MECCANIXITY Aluminum Wheel Hex Hub 12mm Hex Extended Spacers Drive Adapter for RC Crawler Car Replacement, Black

What is this?The Aluminum Wheel Hex Hub is a replacement for remote control crawler.These parts increase the gap between the hub and the body of the remote control climbing vehicle, thereby changing the vehicle's wheel base .Fit for 1/10 RC crawler, RC car replacement.What will I get?Wheel Hex length: 12mm/0.47inchWheel Hex total length: 14mm/0.55inchHole inner diameter: 6mm/0.24inchHole outer diameter: 8mm/0.31inchWidth:12mm/0.47inchNut length: 8.9mm/0.35inchNut specification: M4Rotating shaft screw length:11.8mm/0.46inchRotating shaft screw specification: M4*3mmSpacer size:11mmx4.9mmx2.3mm/0.43x0.19x0.09 inch (L*W*H)Package contains: Wheel Hex hub connector *4pcs + rotating shaft screw*4pcs + nut *4pcs + spacer *4pcsAre there any advantages of the product?Hex extension adopts aluminum alloy, CNC aluminum alloy structure, strong and durable.The aluminum material gives these gaskets high strength and durability, while also helping to dissipate heat.Hex hub with the drive shaft, makes the tire run more stable and not easy to loosen.How to use it?The wheel hex hub adapter can extend or shorten the wheel base, with screw pins and spacers, easy to install.Lock the wheel, keep the wheel stable.What should I notice?When selecting wheel hex hub, consider factors such as size, and color options to meet your specific project requirements.