Accessories & Parts -4pcs 17mm to 23mm Wheel Hex Hub Adapter Conversion Extension Titanium Gray Highlights brand 4pcs 17mm to 23mm Hex Wheel Hub Adapter Conversion Extension Titanium Gray Description: Made of aluminum alloy quality. Lightweight and durable. Suitable for HSP Redcat ZD Racing CC01 HPI FS Kyosho 1/8 monster truck truggy RC spare parts. 17mm to 23mm Hex Wheel Extension Adapter Drive Hub for 1/8 RC Car Parts. The upgrade instantly improves overall performance in handling and durability. Solid metal alloy for maximum performance. Specification: Material: Aluminum Alloy Overall Length: 31mm / 1.22inch Max Axle Diameter: 8mm / 0.31inch Package Include: 4pcs 17mm to 23mm Wheel Hex Hub Adapter 4pcs Hex Nuts 4pcs Rubber Washer 4pcs Bolts Note: Please allow slight dimension difference due to different manual measurement.