Takashima D-13 SX3 adjustable top deck

From Takashima D-13 is this carbon adjustable top deck for the Yokomo YD-2SXIII. Supplied with a metal adapter to easily adjust the stiffness setting on the top-deck, it offers three choices for the customer. And if you turn around the metal adapter with the dot side down, it will provide 3 further hardness choices for a total of 6 flex settings.

Source: Takashima D-13