Feature:

• PREMIUM MATERIAL:The bearing is made of quality steel material, anti-rust, sturdy and durable.Options: 41mm; 41.8mm; 47mm; 49mm; 52mm,Size(Outer/Inner Diameter): Approx. 41/30mm; 41.8/30mm; 47/34.5mm; 49/38mm; 51/40mm; 52/41mm.
• ANTI-CORROSION: Built-in grease in the slot can prevent the balls from corrosion and make them rotate freely.
• SEALING RING:The sealing ring is good for keeping dust and water away to lengthen the durability.Fine machining ensures sleek surface and smooth rotation, fits perfectly with your bike headset
• PROFESSIONAL:Built-in grease in the slot can prevent the balls from corrosion and make them rotate freely
• GREAT ACCESSORIES: The bicycle bearings provide rigid support for the handlebars, it's an useful accessory for replacing old headset of bike

Specification:

Material: Steel

Color: Shown as picture

Options: 41mm; 41.8mm; 47mm; 49mm; 52mm

Size(Outer/Inner Diameter): Approx. 41/30mm; 41.8/30mm; 47/34.5mm; 49/38mm; 51/40mm; 52/41mm

Weight: Approx. 21-32g

Suitable for most bikes, not applicable for bikes with ball headset

Package List:

1 x Bike Headset Bearing