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A 72V off-road electric dirt bike on the generic Chinese "CS20" QS-hub conversion-kit platform, sold via AliExpress under the Eshiner storefront. This 12000W configuration pairs a QS rear hub motor with a Sabvoton/normal-wave controller and a 41.6Ah lithium battery in an aluminum-alloy frame, with telescopic front fork, oil-spring/DNM adjustable rear shock, and front/rear 203mm hydraulic disc brakes. Advertised wattages are QS273 nameplate/peak figures; real continuous output is controller-gated.
Specs verified Jul 13, 2026
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