Pro-Spec Aluminum Rear Hub for 1/4 Promoto-MX (PRO283703)

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.