About this item restore responsive acceleration to your scooter with this genuine replacement thumb throttle, designed specifically for the newest versions of the rs300 and rs500 models. Important version notice please note that this throttle is only compatible with the new versions of rs300 and rs500. It is not compatible with older or previous versions of either model. If you are unsure whether your scooter is a new or older version, please contact our customer service team with your scooter's model and manufacturing date before purchasing to ensure a perfect fit. Key features precise & responsive control: delivers excellent sensitivity and smooth acceleration. A gentle press is all it takes to intuitively control your speed. Plug-and-play installation: the throttle comes with a pre-wired connector, allowing for a straightforward diy replacement without professional skills. Durable construction: manufactured from high-quality materials to withstand daily riding and provide consistent performance. Compatibility designed for cunfon new rs300 and new rs500 electric scooters only. Please verify your model and version before ordering. What’s in the box 1 x throttle assembly