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-: Built-in grease in the slot can prevent the balls from 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 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
-9%
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