Bike is Headset Tapered Tube Gineyea GH-531 1.The bike headset bearing can prevent the bearing from over-abrasion and make it rotate freely, which give a full protection to your bike. 2.Fine machining ensures sleek surface, represents the perfect balance of performance, fits perfectly with your bike headset. 3.The cap has good anti-dust and waterproof performance, good for keeping dust and water away to lengthen the durability. 4.The bearing headset is low friction face-seals on the crown races. Useful accessory for replacing old headset of bike. 5.The headset is made of quality aluminium alloy material, which is anti-rust, sturdy and durable for long-term use. Product Description Rider's desire, continuously improving. 41.8-46.9mm Bike Is Headset Tapered Tube Sealed Bearing Bicycle Headparts Gineyea GH-531 1. Size: 1-1/8"upper cup,1-1/4''lower cup 2.Bearings: Sealed-cartridge(P08*P22) 3.Threadless Integrated for Mou…