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Wuxing is one of the original equipment suppliers whose throttles ship on a lot of production e-bikes, and the 108X thumb paddle is their most recognizable model: a compact left- or right-hand paddle with a smooth spring return and a hall sensor inside. If your bike's original throttle says Wuxing on it, this is often a like-for-like replacement. Wuxing sells the 108X with several lead and connector options, so the connector on your bike is still the deciding detail. It is a better-feeling paddle than most no-name clones.
Current price and availability are shown on Amazon.
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Confirm fitment on your bike before ordering — see each part’s compatibility notes.
Best for: Replacing a dead controller on a KT-based conversion kit · Upgrading a noisy square wave controller to sine wave · Pairing with a KT LCD display
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Most modern kit bikes and a lot of budget production e-bikes use a hall-effect thumb throttle with a three-wire lead: power, ground and signal. When the throttle dies, a generic replacement with the same connector usually plugs straight in, which is why the 3-pin Julet (Higo-style) waterproof version is the best-selling type. Before buying, confirm that your throttle lead uses the small 3-pin waterproof round plug and note whether it is male or female; a photo of your old throttle next to the listing saves a return.
Best for: Replacing a dead thumb throttle on a Julet-connector kit · Riders who prefer a thumb paddle to a twist grip · Bikes running KT and similar controllers with waterproof harnesses
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The 1T4 harness is the backbone of most Julet-connector kit bikes: one multi-pin plug into the controller splits into a 5-pin display lead, a 3-pin throttle lead and two 2-pin brake-sensor leads, all waterproof. When a connector corrodes or a lead gets crushed, replacing the whole harness is faster than repairing one branch. The trap is that 1T4 harnesses come in several pin counts at the controller end and with different lead lengths, so match the controller-side plug and count the pins before ordering. Take a photo of your old harness's plugs for comparison.
Best for: KT and similar kits with Julet waterproof connectors · Replacing a corroded or damaged main cable · Tidying up a conversion with bare-wire connections
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