DescriptionThis is a set of bike headset bearings which is made of materials for safe and durable use. Stem headset cover, universal headset for MTB road bike bicycle. headset to sit atop your stem and add a bit of style to your bike.Features-Color: Black-Material: Aluminium alloy -Size: 4.20X4.20X4.20cm/1.65X1.65X1.65in -This bike headset adopts aluminum alloy construction, which delivers good stability and durability. -Steel closed industrial bearings, strong and easy to use, flexible in rotation, quiet and silent. -Beautiful and fashionable, bring a new look to your bike. -Fine machining ensures sleek surface and smooth rotation, fits perfectly with your bike headset -Steel sunflower, strong and easy to use, strong locking force, thick steel sheet, fine tooth pattern.