The T47 threaded bottom bracket is favored over press-fit for its reliability and ease of maintenance, with a large hollow design that aids internal cable routing. It performs well over thousands of miles, though regular maintenance is required to prevent creaking from dry bearings.
Pros
- Avoids common issues of press-fit bottom brackets such as squeaking and hassle.1
- Large hollow design facilitates internal cable routing and allows finger access inside for cable management.1
- Spins freely with no resistance after thousands of miles in varied conditions.1
- No creaking after regreasing; creak resolved by cleaning and regreasing.1
Cons
Sources
Reviews & Ratings
51:28The reviewer discusses the T47 screwfit bottom bracket in the context of their gravel bike build. They express satisfaction with this choice over press-fit bottom brackets, which they mention are prone to squeaking and generally problematic based on forum discussions. The T47 bottom bracket is described as having a massive aperture that facilitates cable routing through the frame. The reviewer also notes that the bottom bracket shell is hollow and large enough to allow finger access inside for cable management purposes.
24:59The reviewer mentions that the bottom bracket had a slight creak a few months ago due to dry bearings, which was resolved by cleaning and regreasing. After thousands of miles in various conditions, the bottom bracket spins freely with no resistance, though some dirt and water ingress were noted inside the shell.
Where to Buy
Bicycle Bottom Bracket Ceramic Bearing BB T47 Thread 68mm 73mm 86.5mm Bsa 68mm 73mm for Mountain Road Bike Central Movement DUB - AliExpress 18
Questions about Bicycle Bottom Bracket Ceramic Bearing BB T47 Thread 68mm 73mm 86.5mm Bsa 68mm 73mm for Mountain Road Bike Central Movement DUB
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