Composite Rear Upright (1 pc). Xray XB8 2016 specs.
All-new 1-piece rear upright has a new geometry, generating more traction and helping to absorb bumps on rough parts of the track. The smart design allows the same upright to be used on both left & right sides.
The upright allows adjustment of the upper roll center by 3 different positions, and lower roll center by 2 different positions. The lower suspension pin on which the rear upright sits features 2 shims for wheelbase adjustment.
The uprights feature integrated geometry adjustments including:
camber
upper roll center
lower roll center
wheelbase