The Heavy Hitter 520 Ultra Bee Sprocket is a one-piece 7075-T6 billet aluminum sprocket for the Sur Ron Ultra Bee, precision-machined for a perfect fit. The ideal upgrade for riders running heavier off-road tires or 18/21-inch wheel sets, where the added rotational mass makes the bike feel sluggish out of corners. Re-gearing with this sprocket restores that pickup and also reduces load on the stock motor and controller for better long-term reliability.
Fitment:
- Sur Ron Ultra Bee
Lightweight 7075-T6 billet aluminum construction. High-quality black anodized finish. Beveled edges for smooth chain engagement. Matched style to Heavy Hitter rotors.
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E-moto parts and accessories for riders who want the right fit, dependable support, and a better way to build.
Parts that make sense. Support that stays close.
716wrapz helps e-moto riders find parts and accessories that fit their setup. From the first question to the final install, our USA-based support team is here to help you order with confidence.



