Pro-Spec Aluminum Rear Hub for Promoto-MX (1/4-scale) is a rugged rear-hub replacement designed for Losi Promoto-MX models. Anodized and CNC-machined from 6061 billet aluminum, it combines durable construction with a true-to-scale motocross-inspired appearance that stands up to demanding off-road use.
This hub fits Promoto-MX configurations that use the Pro-Spec aluminum rear rim with spokes, delivering reliable alignment and long-lasting performance. A 3D-printable lacing fixture is available to help with spoke replacements, making maintenance easier when spokes require attention.
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