For A Mid-Drive Motor, Use The Alomejor Half Twist Throttle Electric Bike Speed Product Features ?Precise Control?The voltage of the electric bicycle twisting throttle adapter can be 12V 24V 36V 48V 60V 72V, and the size is about 120 mm/4.7 inches. ?Easy To Operate?By turning the throttle lever in real time, you can precisely control the riding speed and improve the riding experience. ?Non?slip Rubber?Ebike throttle grips use high quality non slip rubber, waterproof, shock absorbing, wearableand durable, and can be used for a long time. There are a variety of sizes, a variety of suitable voltages to choose from, suitable for the five star series of dials. ?Easy To Install And Disassemble?The aluminum alloy locking ring of Electric bike speed throttle is stable and durable, easy to install and remove. The handlebar adopts an ergonomic design and is non slip grip. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!