Pro Handlebar Endplug Mind the details The handlebar endplug is often overlooked, but it's an essential part of a dialed-in bike cockpit. The Pro Handlebar Endplug is a refined and well-engineered pair of endplugs for your favorite road, gravel, or even MTB handlebars. These plugs feature a low-profile design with a lightweight, anodized alloy cap that seamlessly integrates into your handlebars. The Pro Handlebar Endplug fits bars with an internal diameter from 17. 5mm, and features lightweight black plated bolts to expand the plugs within the handlebar for a secure, reliable fit. Features Fits most road and MTB handlebars with a 17. 5mm and greater internal diameter Anodized alloy caps for a low-profile fit Expander plug design with black plated bolts to expand the plugs inside of the handlebar for a secure fit Specifications Weight N/AMaterial Alloy | Shimano Pro | Handlebar Endplug Black Ano Alloy | Aluminum