1 1/8"-1 1/2" Adapter Headset 44mm Bicycle Bearing Set Durable Bike Headset Spinal Tube Frame

Label:Yes Package Included: The package includes 1 bicycle bearing set. Professional installation is recommended to ensure proper headset adjustment, bearing preload, and safe steering performance. Please verify all dimensions with your frame and fork specifications before ordering. Tapered Fork Compatibility: Designed for standard tapered forks with an upper steerer diameter of approximately 28.6mm / 1.13in and a lower steerer diameter of approximately 39.8mm / 1.57in. Please confirm your fork steerer tube size before purchase.

Important Fitment Check: Before purchasing, please confirm that both the upper and lower inner diameters of your head tube are 44mm, and that your fork steerer tube is a 1-1/8" to 1-1/2" tapered steerer. Incorrect measurements may result in improper fitment.

CNC Aluminum Alloy Construction: Made from aluminum alloy with a black finish, this headset bearing set is designed for regular bicycle use. The CNC-machined structure helps provide a precise fit for compatible head tubes and fork steerer tubes. 44mm ZS44 EC44 Headset Adapter: This bicycle headset is designed for head tubes with 44mm upper and lower inner diameters, converting a straight tube frame to accept a 1-1/8" to 1-1/2" tapered fork. It is suitable for compatible Mountain Bike and road bicycle maintenance or upgrade projects.

Item Type: Bicycle Bearing Set Color: Black Material: Aluminum Alloy Head Tube Compatibility: Upper Inner Diameter: 44 mm(1.73 in) | Lower Inner Diameter: 44 mm(1.73 in) Fork Compatibility: Standard Tapered Fork: Upper 28.6 mm(1.13 in) | Lower 39.8 mm(1.57 in) Product Height: 7.5mm(0.30in), 12.5mm(0.49in), 17mm(0.67in)

Packing List: 1 * Bicycle Bearing Set

Notes: 1.Before purchasing, please confirm that both the upper and lower inner diameters of your head tube are 44 mm, and that your fork steerer tube is a 1-1/8" to 1-1/2" tapered steerer. 2.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.