VGEBY1 Bike Headset Plug- Bike Fork Expanded Aluminum Alloy Headset Top Cap Key Expander for Mountain Road Bike

Features: ?Eliminating the risk of damage and providing added support to the fragile top edge of the stem. ?Aluminum alloy construction delivers good stability and durability. Nice accessory for your bikes. ?CNC precision workmanship, precision thread makes it better to connect with other parts, less error in size. ?Easy to install and use, can be used repeatedly. Please confirm the size before purchase. ?If you have any questions about our products, please email us and we will get back to you within 24 hours. Specification: Condition: 100% Brand New Material: Aluminum Alloy Fixing Device: Spring/Grooved Expansion Nut Diameter: Approx. 22.2-23.6mm/0.87-0.93inch Size: 1-1/8 in Weight: Approx. 59g Packing List: 1 * Headset Top Cap Key Expander