Conversion Bottom Bracket
Best solution for cyclists needing to adapt cranksets to different frames.
Upgrade your bike's drivetrain with the Praxisworks Conversion Bottom Bracket, an essential component for seamless crankset and frame integration. This versatile bottom bracket is engineered to adapt PF30/BB30 frames for SRAM GXP cranksets, ensuring broad compatibility. It's also suitable for conversions on PF30/BB30 and pre-2014 OSBB frames. Designed for reliability and performance, this bottom bracket is a smart choice for cyclists looking to optimize their bike's setup or resolve component compatibility issues. Always confirm your frame's specifications for a perfect fit.
$67.49
Owner Satisfaction
4.6
/ 5
Category Rank
417
/ 2104
#417 in Components
Price vs Category Average
-34%
Below average
Compatibility Model 1
SRAM GXP
/ SRAM GXP
Who it's for
- Cyclists tired of persistent, annoying bottom bracket creaking
- Riders wanting to install reliable 24mm cranks on press-fit frames
- Mechanics and riders prioritizing long-term bearing durability
Who should skip it
- Home mechanics lacking specialized large-diameter installation tools
- Weight-conscious racers seeking the lightest possible bike setup
- Budget-focused riders looking for the most affordable replacement parts
Performance breakdown
Compatibility Versatility
Expertly bridges the gap between disparate frame and crankset standards.
Installation Simplicity
Straightforward design makes complex drivetrain swaps feel manageable for home mechanics.
Bearing Durability
High-quality seals keep grit out for long-lasting, smooth pedal strokes.
Drivetrain Integration
Eliminates common creaking issues associated with mismatched bottom bracket standards.
Build Precision
Tight tolerances ensure a secure, wobble-free fit within the frame shell.
Power Transfer
Rigid construction minimizes energy loss during high-torque climbing and sprinting.
Key Specs
Compatibility Model 1
SRAM GXP
Compatibility Model 2
PF30/BB30 Frames
Compatibility Model 3
PF30/BB30 And Pre-2014 Spec OSBB Frames
Brand
Praxisworks
Category
Components
Target Gender
Unisex
Features
- Converts PF30/BB30 frames for SRAM GXP
- Adapts various bottom bracket standards
- Ensures drivetrain component compatibility
- Designed for SRAM GXP cranksets
- Compatible with multiple frame types
- Facilitates drivetrain upgrades
- Resolves component fitment issues
What customers say
Customers overwhelmingly praise the Praxisworks Conversion Bottom Bracket for effectively eliminating creaking issues common with press fit systems when using 24mm spindle cranks. Its innovative collet design creates a secure, silent interface, transforming the riding experience. Beyond solving noise problems, users consistently highlight the robust build quality and smooth, durable bearing performance, even under tough conditions. While the initial price is noted, the consensus is that the investment delivers excellent value through reliable, quiet operation and peace of mind. It is highly recommended as a dependable upgrade for silent pedaling and sustained performance.
Know before you buy
Yes, this conversion bottom bracket is specifically engineered to adapt PF30 and BB30 frames to accommodate SRAM GXP cranksets.
It is compatible with pre-2014 OSBB frames, but you should verify your specific frame year and shell width to ensure a proper fit.
No, this specific model is designed exclusively for SRAM GXP cranksets. Using it with other crank standards will result in improper fitment and potential damage.
Yes, you will need a bottom bracket tool compatible with the Praxisworks external bearing cups to ensure the unit is pressed and tightened to the correct torque specifications.
Unlike simple press-in adapters that can creak or shift, the Praxisworks conversion design uses a threaded interface to lock the two sides together, providing a more secure and stable fit.
Still have a question?
Ask Hayley anything about this product before you decide.