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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Both sprockets are thickened with a stepped design
allowing you to change lighting modes without taking your hands off the bars
This plug-and-play switch connects directly to the OEM wiring harness—no cutting
Perfect Fitment: Designed to mount on the rear caliper bracket
16T/57T 415 Chain Drive Conversion Kit for Ultra Bee Upgrades for Surron light bee Both sprockets are thickened withUB Chain Drive Conversion Kit Jackshaft to Wheel Forged from hardened tool steel, heat treated and CNC machined, with a 16T front 57T rear sprocket. Both sprockets are thickened with a stepped design, built to take abuse without warping. Compared to the stock 520 chain setup, the 415 drive cuts noise by nearly 50%what used to sound like a bucket of bolts now hums with a low, steady tone. The reduced vibration makes acceleration feel smoother, and
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