The Serpent 804123 Aluminum Belt Tensioner is a compact, robust part aimed at racers and skilled hobbyists who want tighter belt control. Machined from quality aluminum, it holds adjustment well under load and helps smooth power transfer across the drivetrain. Its design makes it suitable for a broad range of common RC chassis where belt stability matters.
A practical upgrade for club racers and weekend tuners, this tensioner improves belt consistency and reduces the chance of slack-related issues during aggressive runs.
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