Upgrade your RC setup with the XRAY X4 Aluminum Adjustment Ball-Bearing Hub, engineered for the UNI bulkheads in the X4 series. Built from durable aluminum, this hub adds resilience and stable adjustment points so you can fine tune suspension geometry and enjoy more predictable on-track behaviour. It is a sensible choice for racers and hobbyists wanting a rugged, serviceable part that holds alignment under load.
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