Features:
ANTI-RUST:The bearing is made of quality steel material, anti-rust, sturdy and durable to use for a long time.

FINE WORKMANSHIP:Fine machining ensures sleek surface and smooth rotation, fits perfectly with your bike headset. ANTI-DUST & WATERPROOF:The sealing ring bearing is good for keeping dust and water away, prevent impurities from entering to lengthen the durability. ANTI-CORROSION:Built-in grease in the slot can prevent the balls from corrosion and make them rotate freely.Seal Effectively Saves Grease and Prevent Impurities From Entering. USEFUL:Useful accessory for replacing old headset of bike.Larger lower bearings boosts strength and durability.

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