CØ 6903-LLB Zero Ceramic Enduro Bike Bearing 17x30x7

CØ 6903-LLB Zero Ceramic Enduro Bike Bearing 17x30x7
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Brand:  Enduro
Enduro Range  Ceramic ZERO
Measurement Unit  Metric
Inside Diameter  17.00mm
Outside Diameter  30.00mm
Width  7.00mm
Seals or Shields  LLB Seals
Clearance  Standard

Availability  

  

Our Price:  £35.83(Exc. 20% VAT)(£43.00 Inc. VAT)
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  (4 Reviews)
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Enduro

CØ 6903-LLB Zero Ceramic Enduro Bike Bearing 17.00x30.00x7.00

  • Silicon Nitride (Si3n4) Grade 3 balls
  • LLB type seal
  • Magnetite Rust Proof Finish

Typical applications: Hub Bearings

ZERØ ceramic bearings have ceramic balls and steel races.  The balls are Grade 3, Silicon Nitride (Si3n4). The races are treated with a black oxide coating, which helps prevent rusting in the bearing. The races are then reground to a mirror finish after this treatment. Finally, they are cryogenically treated for strength before assembly.

Si3N4 balls with 52100 High carbon Chromium Alloy Races with Cryogenic Treatment:
 Cryogenic treatment takes the races down to minus three hundred degree Fahrenheit to normalize the crystalline structure of the material so the races will resist the hardness of the ceramic balls and get the maximum wear potential.

Average Rating (4 Reviews):  
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Rating:  
Fastest, smoothest bearings I’ve ever used.
11 October 2024  | 

Had to replace the original wheel bearings in my Bontrager wheels. Although these are expensive they are well worth the money. The wheels now roll for ages with much less lateral movement in the frame. Out on trail the bike is so much faster, precise and carry’s way more speed than it did before with the stock bearings. A true value for money upgrade.

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Rating:  
Smooth as a smooth thing
23 April 2024  | 

Fitted new bearing and it's so quiet and smooth

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Rating:  
Ceramic hybrid bearings
16 June 2021  | 

Superb bearings and perfect fit on my Scott spark 910 rear hub

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Rating:  
Specialized Roubaix Rear Hub
07 August 2017  | 

Replaced all the OEM bearings with these with great success

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0 of 1 people found this review helpful.

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