61903-LLB ABEC5 Enduro Bike Bearing 17x30x7

61903-LLB ABEC5 Enduro Bike Bearing 17x30x7
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Brand:  Enduro
Enduro Range:  ABEC5
Measurement Unit:  Metric
Inside Diameter:  17.00mm
Outside Diameter:  30.00mm
Width:  7.00mm
Seals or Shields:  Rubber Seals
Clearance:  C3

Availability:  

  

Our Price:  £12.10(Exc. 20% VAT)(£14.52 Inc. VAT)
–+
  (8 Reviews)

Enduro

61903-LLB ABEC5 Enduro Bike Bearing 17x30x7

Enduro ABEC-5 Specification:

Grade 5 Chromium Steel Balls
High precision balls are within 5/1,000,000″ round. R-64 hardness, of the highest grade.

52100 High Carbon Chromium Alloy Races
Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-5 precision and noiseless movement.

Graphite/Nylon Ball Retainers
Nylon with graphite retainers are virtually frictionless while providing constant lubrication.

The ABEC-5 Standard
To meet the ABEC-5 standard, bearing design must pass all tests, which include noise testing at high RPM, extremely close tolerances for I.D. and O.D., roundness of ball, trueness of the races and micro surface finishes of balls and races.

Average Rating (8 Reviews):  
Write a Review and share your opinions!
Rating:  
Quick delivery and smooth running bearing
Monday, 12 April 2021  | 

Delivery was really quiet. The new bearings are noticeably quicker and smoother running than the stock bearings originally installed in my mavic wheel set. Would recommend, will be ordering from Wych bearing again in the future.

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Rating:  
Wheel bearings
Monday, 17 August 2020  | 

Fits fine

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Rating:  
I always chose Wych Bearings for my bicycle workshop repairs
Friday, 10 July 2020  | 

Great bearings clearly aimed at the cycle market.

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Rating:  
High quality replacement wheel bearing
Friday, 8 May 2020  | 

So far so good in Mavic wheels. Time will tell but seem excellent quality and easy to fit.

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Rating:  
Outstanding service, next day delivery
Monday, 30 March 2020  | 

Ordered the bearings late in the afternoon, they arrived in the post the next day. Couldn’t have asked for more. Thank you

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Rating:  
Super Smoooooth
Wednesday, 25 September 2019  | 

Better than the original bearings on my Specialised Tarmac. Ceramic not justified after trying the AMEC5. Avle felt quite tight on fitting, but now roll super quick. Seals look good also.

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Rating:  
great bearings
Tuesday, 14 May 2019  | 

Got these for my Specialised Enduro comp 29er 2015 model and they last a year at least of extreme hammering before i pull and replace them. They run really nice and they'd last even longer if they weren't exposed to the abuse and cleaning regime they suffer after most rides. Small price for great performance.

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Rating:  
Does the job
Monday, 7 May 2018  | 

Good service from Wych bearings. Speedy delivery. These bearings replaced a few in the rear hub of my bike with no fuss. Wouldn’t think twice about buying again.

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