Tuttio Electric Bike Adjustable Stem. It allows for flexible handlebar height adjustment to accommodate riders of varying heights and preferences. Whether you're on a long-distance ride or just commuting daily, the extension tube adjustment lets you find the most comfortable riding position, enhancing your overall experience. This stem is not only durable and sturdy but also easy to install, adding extra comfort and personalization to your electric bike. Please note that accessories require a short preparation period before shipment. The standard delivery time for accessories is approximately 9–12 days. For accessories, returns or exchanges are only accepted in the case of confirmed quality issues. We are unable to accept returns for reasons such as personal preference or incorrect purchase.