For indoor and carpet circuit racing where traction is critical, the XRAY 363315 aluminium rear lower suspension holder provides a focused handling change. Installed at the front of the rear suspension, the 1-degree toe-in increases rear traction and steadies the XB4 during acceleration.
The holder repositions the inner pivot toward the centreline, giving room to run different arm lengths and explore new geometry setups. The tighter configuration benefits drivers aiming for improved rear grip and midcorner stability.
The Integrated Suspension Settings system streamlines tuning, using eccentric bushings and shims to achieve accurate, repeatable geometry adjustments tailored to track conditions.
This aluminium rear lower suspension holder is a sound upgrade for XB4 drivers seeking better traction and setup control on high-traction tracks. Its precision engineering supports fine tuning for competitive indoor racing.
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