ITEM NAME:TSDZ2 Electric Bicycle Handle Thumb Throttle for Tongsheng Mid Drive Motor VA5Z7 TSDZ2 Electric Bicycle Handle Thumb Throttle for Tongsheng Mid Drive Motor VA5Z7 1. Made of high quality plastic material, this product is sturdy and durable. 2. High strength, high hardness, not easy to break. 3. Easy to install, convenient to use. 4. Lightweight design, easy to carry and store. 5. Universal fit for electric bike, electric scooter, etc. Specification: Type: Throttle.Universal fit for electric bike, electric scooter, etc. 1 Bike Handle Throttle. Type: Throttle. Item Type: Bike Speed Switch. Line Length: Approx. Material: ABS.