SKU: 46544973411

Enduro Headset Bearing 1.125" XD-15 Stainless ACB

Sale price$124.22 Regular price$138.02
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Description

Enduro Headset Bearing 1.125" XD-15 Stainless ACBACB 3645 CC SS 1 1 8" 440C stainless steel Angular Contact Headset bearing (30. 2mm x 41mm x 6. 5mm: 36 x 45 deg) 1 1 8" Angular Contact Internal Headset Bearing featuring 440C stainless steel balls and races to provide superior corrosion resistance. This size bearing is also known in the bike Industry by these part numbers: BAA1054P03KTH 873MR 122MR 040IS41 Not all stainless steel is created equal. Enduro only uses 440C stainless steel balls and

ACB 3645 CC SS - 1-1/8" 440C stainless steel Angular Contact Headset bearing (30.2mm x 41mm x 6.5mm: 36 x 45 deg) -

1-1/8" Angular Contact Internal Headset Bearing featuring 440C stainless steel balls and races to provide superior corrosion resistance.

This size bearing is also known in the bike Industry by these part numbers:
BAA1054
P03K
TH-873
MR-122
MR-040
IS41

Not all stainless steel is created equal. 
Enduro only uses 440C stainless steel balls and races to provide long life and superior corrosion resistance in applications and environments that may be less than ideal. 440C has the highest strength, hardness, and wear resistance of all the standard 440-series stainless alloys with high carbon content. As expected, it is also the most expensive of the 440 series alloys and requires multiple rounds of heat treatment and cryogenic treatments to achieve its superior mechanical properties. Though stainless steel has 20% less load capacity and is slightly softer than our standard 52100 chromium steel used in most of our bearings, stainless steel is an excellent alternative for use in wet conditions, if you wash your bike often, or where sweat can be a problem. Enduro Bearings also uses LLB type seals and CRC Marine Grease in these bearings to additionally water proof against the elements. All Enduro stainless headset bearings carry a limited lifetime warranty.

The Enduro line of headset bearings consists of two basic performance levels that are a substantial step up from standard bike industry specifications. Enduro "entry-level" headset bearings feature premium materials like Black-Oxide treated races and carry a two year warranty, while our premium 440C stainless headset bearings carry a full lifetime warranty. 

All Enduro bearings are always engineered with the largest balls possible and feature dual lip labyrinth seals for maximum protection against sweat and the elements and to contain the 90% high pressure water proof grease, keeping everything running smoothly for the duration. The Angular Contact (A/C) design of Enduro headset bearings allow all balls in the bearing to engage the load, spreading the force over a larger surface area minimizing any possibility of premature wear and greatly extending bearing life.

Static load - 935lbf / 4.15kN 
Weight - 19.24g

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 46544973411

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fernando
Birmingham, US
★★★★★ 5
Five Stars
Style: Single
works great
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Reviewed in the United States on August 24, 2015
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Pretty eyes
Boise, US
★★★★★ 5
true to size
bought for my 2011 bmw worked perfect.
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Reviewed in the United States on November 9, 2025
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Bree
New York, US
★★★★★ 5
Good quality
Fit volvo s90 perfectly
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Reviewed in the United States on October 29, 2025
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SuperCrew
Battle Creek, US
★★★★★ 5
Works just like it should
Bought this for a 2011 BMW 550i xdrive. This fits perfectly if not just a bit too snug. It took just a bit to get it off the oil filter cap. Saved the day though!
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Reviewed in the United States on February 10, 2025
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claudiu
Cuba, US
★★★★★ 5
Fits good
Perfect for my 2020 Volvo xc90
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Reviewed in the United States on March 25, 2025

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