The Arrowmax AM-910037 Belt Tensioner is a practical addition for Serpent 4X models that helps keep belt tension stable, aiding cleaner power delivery and more consistent handling across different track surfaces.
Specifically designed for the Serpent 4X lineup, including Project 4X PRO EP (SER400032), this tensioner gives precise adjustment capability to lower drivetrain friction and prevent belt slip under load.
Fitting the Arrowmax AM-910037 is simple: check belt routing and cleanliness first, then make small tension changes and validate after a short run. Routine inspections will keep belts and pulleys in good shape.
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