1. WATERPROOF DESIGN FOR ALL WEATHER RIDING: Experience reliable performance in British rain or shine with this electric bike throttle featuring waterproof wiring. Ride confidently through typical UK weather conditions without worrying about electrical malfunctions. Compatible for handlebar diameter of 22mm, this throttle keeps you moving regardless of the elements. 2. SMOOTH GEAR OPERATION CONTROL: This finger throttle effectively helps forestall unwanted gear shifting, delivering a consistent and interruption cycling experience. The ergonomic design fits comfortably in your hand for precise control during long rides through city streets or countryside paths. 3. LIGHTWEIGHT CONSTRUCTION WITH QUALITY MATERIALS: Crafted from ABS and aluminium alloy, this threewheeler throttle adds minimal weight to your electric bike setup. At just 258g (SM3A model) or 235g (waterproof model), it contributes to better handling and responsiveness without compromising on integrity. 4. SIMPLE WIRING SYSTEM FOR EASY INSTALLATION: Features clear connection points with red wire (5V), black wire (GND), and green wire (signal output). The SM3A male waterproof wire extends approximately 180cm while the waterproof model offers a 50cm cable, both providing flexible installation options for various ebike configurations.