Feature: 1. Good Contact: The cables and connectors of the electric bike thumb throttle are durable and have good contact, ensuring long term use with a low failure rate. 2. Ideal Replacement: Electric bike thumb accelerator can be used to replace old broken parts with great practicality. 3. Durable Materials: The 300X thumb throttle is made of ABS and metal material, which is not easy to wear and is durable. 4. Ease of Use: The 300X throttle accelerator is easy to install, simple to operate and easy to use. 5. Scope of Application: Electric bike 300X thumb throttle can be applied to 12V‑72V electric bikes or electric scooters. Specification: Item Type: Electric Bike 300X Thumb Throttle Material: ABS, Metal Thumb Throttle Diameter:Approx. 2.25cm / 0.9in Thumb Throttle Connector Cable Length: Approx.180cm / 70.9in(Hand Measurement Error) Applicable Voltage: 12V,24V,36V,48V,52V,60V,72V Universal Connector: Ordinary SM Connector Package List: 1 x Electric Bike 300X Thumb Throttle 1 x Hex Wrench Note: Pay attention to the connection method of the product, it can be installed on the left and right sides.