BlackBearing B3 1"1/8 30.15x41x6.5 mm 36x45° headset bearing
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Trek Madone- Domane- Emonda sl bottom bracket 417578
Voir les avis clients(8 reviews)
51x40x7mm 36° bearing
Compatible with TREK Madone and Emonda SL frames since 2010. Sold in 2 parts:
- lower part including: lower bearing 51x40x7mm 36°
- upper part including: 15mm carbon cup, conical washer, IS/41 28.6mm bearing (to be ordered separately)
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Our customers, our best ambassadors
-
Cloclo D. 
Published Mar 07, 2026 at 08:36 pm (Order date: Feb 14, 2026)Great (Translated review)
- Didier R.
Published Feb 07, 2026 at 05:48 pm (Order date: Jan 28, 2026)Original bearing (Translated review)
- Pascal B.
Published Oct 10, 2021 at 11:15 pmInstalled in place of the old one, no issues. Remains to be tested over time. (Translated review)
- Stéphane P.
Published Sep 27, 2021 at 04:42 pmSteering set compliant, no issues during installation for Trek Emonda SL. (Translated review)
- Alain d.
Published Sep 18, 2020 at 06:59 pmNo problem with assembly and use, product in accordance (Translated review)
- Fernando f.
Published Jun 02, 2020 at 02:11 pmI immediately felt the bike's steering like new. No noise at all. (Translated review)
- PATRICK C.
Published Feb 28, 2019 at 11:27 amNo premature wear, I recommend. (Translated review)
- Guy P.
Published Mar 09, 2017 at 09:29 amThe product perfectly matches the description. (Translated review)
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