The XRAY 301169 1.6mm Graphite Upper Deck is tailored to the T4'18 chassis and adds a focused handling upgrade. Machined from 1.6mm graphite, the deck enhances tyre contact in corners and refines steering response for precise setup adjustments.
The thinner graphite reduces chassis rigidity enough to allow beneficial flex, which can increase traction on twisty layouts. The rear geometry also sharpens in-corner steering and leaves room for easy pinion gear access during trackside tweaks.
When combined with aluminium chassis plates, whether you run a stiff plate or a slightly softer option, this upper deck helps even out handling characteristics. That combination is useful when you need consistent balance through changing lap conditions.
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