BOLANY Mountain Bike Sealed Dual Bearing Headset 41.8x52mm Aluminum Alloy Bicycle Headset

Feature: 1. Aluminum Alloy: Bicycle headset is made of high strength aluminum alloy material, rust proof, strong and durable, fine processing to ensure a smooth surface. 2. Double Bearing Structure: The double bearing structure is smoother than loose ball bearings, easy to maintain, and the handlebars are light and smooth to rotate. 3. Rotate Freely: Bike headset can prevent the bearing from excessive wear and make it rotate freely. The lid is good for dust and water resistance to extend durability. 4. Low Grade Opening Design: Low grade opening design, convenient for installation, disassembly and maintenance, long lastting use. 5. Product Size: Diameter of upper and lower bearing is 41.8x52mm 1.6x2.0in, inner Diameter of front fork lower gear is 30 39.8MM. Specification: Item Type: Bicycle Headset Product Material: Aluminum Alloy Color: As Pictures Shown Weight: Approx. 110g 3.9oz Installation: Low Grade Opening Design, Convenient for Installation, Disassembly and Maintenance Diameter of Upper and Lower Bearing: Approx. 41.8x52mm 1.6x2.0inInner Diameter of Front Fork Lower Gear: 30mm 1.2in, 39.8mm 1.6in. Package List: 2 x Bearing1 x Star Headset Cover Set 1 x Headset Upper Cover2 x Front Fork Low Gear1 x Pressing Ring2 x Washer