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BlackBearing B5 Pressfit30 bottom bracket 46x68-73 mm, 24 mm axle and GXP steel
Voir les avis clients(3 reviews)
Aluminium cups - Steel bearings
Notre avis
Sylvain C.
Mechanical expert
The BlackBearing Pressfit30 bottom bracket allows you to fit a 24 mm and GXP axle crankset to a PF30 standard frame. Available in the B5 version, this steel bearing offers high performance and excellent durability. Compatible with 24 mm bottom bracket axles, this model comes with an adapter for GXP bottom bracket axles for optimal compatibility.
This bottom bracket is designed with two machined aluminium cups that screw into one another for better alignment, reducing creaking, optimising smoothness and efficiency, extending the life of the bearings, and making installation and removal easier.
Features
- 24 mm and GXP bottom bracket axles
- Pressfit30 standard
- Frame width: 68 to 73 mm
- Frame diameter: 46 mm
- Aluminium cups
- BlackBearing bearing quality: B5
- Pressfit30 standard
- Frame width: 68 to 73 mm
- Frame diameter: 46 mm
- Aluminium cups
- BlackBearing bearing quality: B5
Bottom bracket supplied with GXP axle adapter.
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We value your opinion
Our customers, our best ambassadors
-
Marcel S. 
Published Aug 17, 2026 at 02:07 pm (Order date: Aug 05, 2026)Great case. Easy to assemble. Smooth bearings. (Translated review)
- Alain F.
Published Apr 10, 2025 at 02:35 pmvery good bottom bracket blackbearing, easy to assemble, surprising on the smoothness of the bearings, I recommend it without hesitation, (Translated review)
- Ancy R.
Published Jun 27, 2022 at 02:33 ama surprise for me. very good quality housing that assembles easily (Translated review)
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