That is a Limited-Edition Japan Cup 2019 carbon fibre stay. Use it to boost performance and present your vehicle a new appearance!
you'll install either 9mm, 13mm, or 19mm roller bearings with this Multi Roller Setting Stay. It can be set up to either leading or back of your Mini 4WD device.
• 1.5mm-thick Carbon Fiber keep x1
• Rigid carbon fibre is lighter than FRP equivalent (Item 15394).
• New shape and elimination of elongated holes enhances durability.
• Features stylish carbon dietary fiber area pattern, and J-Cup/Tamiya print in Gold.
• accessory holes are included for 9mm, 13mm and 19mm rollers, enabling an abundance of setup options!
• suitable for all Mini 4WD and Mini 4WD PRO automobiles (some chassis/bodies might need modification).