STAR UNION 300X E-Bike Thumb Throttle, 3-Pin Julet Waterproof Connector, IPX5 Hall Sensor Accelerator for Electric Bike & Scooter, Fits 22.2mm Handlebar

The STAR UNION 300X thumb throttle is designed for electric bikes and electric scooters, featuring a lightweight open-lock clamp structure for fast and convenient installation. Compatible with standard 22.2mm handlebars, the throttle supports both left and right side mounting to suit different riding preferences. Equipped with precise Hall linear control technology, the 300X delivers smooth and responsive acceleration with accurate 0–50° throttle adjustment. The stable output signal ensures comfortable and natural speed control for urban commuting, e-bike riding, and scooter applications. Constructed from high-strength PA+GF reinforced material, the 300X combines excellent durability with an ultra-lightweight design of only approximately 35g, helping reduce cockpit weight while maintaining long-term reliability. The throttle features IPX5 waterproof protection for reliable all-weather riding performance, protecting internal components from rain and splashes. The universal 3-Pin Julet waterproof connector supports plug-and-play installation for easier wiring and compatibility with various e-bike systems. Widely compatible with: Electric bikes Electric scooters Folding e-bikes Cargo e-bikes Urban commuter e-bikes Fits standard 22.2mm handlebars. Specifications Model: 300X Brand: STAR UNION Material: PA+GF Weight: Approx. 35g Waterproof Rating: IPX5 Connector Type: 3-Pin Julet Output Voltage: 0.8–4.2V Rotation Angle: 0–50° Cable Length: 300mm Installation Type: Open lock clamp mounting Mounting Position: Left & Right compatible Handlebar Compatibility: 22.2mm Certifications: RoHS / REACH