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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Verucat
Natrona Heights, US
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
J
Verified Purchase
JJ Fording
Massapequa, US
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026
S
Verified Purchase
Steve just Steve
Grantham, US
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
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Verified Purchase
Claudia Garfield
Alexandria, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
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Verified Purchase
Timothy john starkweather
Chelsea, US
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026

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