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BlackBearing B5 PF30A 24mm & GXP
Description
The Blackbearing bottom bracket range has been specifically developed to withstand the most extreme conditions.
The BBlock technology (built in 2 threadable parts) allows a better alignment of the casing in its assembly offering several advantages:
- minimizes possible cracks
- greater protection to the bearing extending its useful life
- an easier replacement of the bearing.
CNC machined aluminum.
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The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement.
Specifically designed for installing 24.00mm spindle diameter cranks (Shimano, Etc.) in Cannondale BB30A (42mm ID, 73mm wide asymmetrical BB shell) frames without the need for any adapters.
**Note: FSA MegaExo spindles can be between 24.00mm and 24.07mm in diameter. If your FSA spindle is 24.07mm, this BB will not work! Please purchase our FSA 24.07x37 ceramic hybrid bearings separately.**
- Bottom Bracket/Frame Interface: Cannondale BB30A
- Bottom Bracket Shell Width (mm): 73mm
- Bottom Bracket Shell I.D.: 42mm
- Over Bearing Width: 91mm in 73mm wide shell*
- Crank Spindle Diameter: 24.00mm
- Tool Pattern: 44mm x 16 notchStock Level:In StockStock Level:2Stock Level:2$245.00 (RRP)$235.00 (RRP) -
Stock Code:WMBB-BB-T47A-GXPStock Code:WMBB-BB-T47A-24MMStock Code:WMBB-BB-T47A-29MMStock Code:WMBB-BB-T47A-30MM
T47a (asymmetrical) threaded BB cups for T47a frames and 24mm diameter spindle compatible cranks. Cups have internal bearings, and can be used in BB shells with widths from 77.5 - 79mm. Machined aluminum cups thread together directly into a Cervelo, Factor and Felt T47a BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindle. T47a BB cups are similar to standard BSA threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand thread. Use a quality grease when installing in steel or aluminum BB shells, and an anti-seize compound compatible with titanium BB shells.
T47 external cup on the drive side
T47 internal cup on the non-drive side
Compatibility
- Cervelo T47a 79mm shell width
- Factor T47a 77.5mm shell width
- Felt T47a 77mm shell widthStock Level:In StockStock Level:In StockStock Level:In StockStock Level:In StockStock Level:2$240.00 (RRP)$245.00 (RRP)$245.00 (RRP)$245.00 (RRP) -
Stock Code:BBBB-41-PRAXIS-B5Stock Level:In StockStock Level:In Stock$106.04 (RRP)
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Stock Code:BBBB-GXPALT-B3Stock Level:In StockStock Level:In Stock$47.43 (RRP)
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Stock Code:CKBB-AAB1Stock Code:CKBB-AAR1Stock Code:CKBB-AAS1Stock Code:CKBB-AAT2Stock Code:CKBB-AAY1Stock Code:CKBB-AABFStock Code:CKBB-AAB2Stock Code:CKBB-AAM2Stock Code:CKBB-AAP1Stock Code:CKBB-AAZ2Stock Code:CKBB-AAG2
REQUIRES A CHRIS KING THREADFIT24 FIT KIT
ThreadFit™ 24 fits 24mm cranks in 68mm BB shells.
Our ThreadFit™ 24 bottom bracket is designed and built to be durable, serviceable, and silent. Manufactured to create the most precise interface between your frame’s bottom bracket shell and your cranks, it makes your cranks spin lightly and easily, without interference, for the lifetime of your bike (with a little regular service). King’s legendary, angular-contact bearings, both steel and ceramic, are the best in the industry, and actually get faster over time, as their contact surfaces wear.
You want this bottom bracket because it offers super low drag. You want this bottom bracket, because it can be opened, cleaned and repacked for years of faithful service. You want this bottom bracket, because you don’t want to think an awful lot about your bottom bracket.
- Engineered, manufactured and assembled in Portland, Oregon USA
- King Lifetime Warranty
- Legendary made-in-house bearings
- A Fit Kit is required for useStock Level:In StockStock Level:In StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockExpected Date:03 November 2026Expected Date:03 November 2026$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)