
Too Many Bottom Brackets? Here's How to Choose the Right One
Discover five key factors to consider when selecting the perfect bottom bracket for your bike.
Last updated 1 week ago. Automatically generated content.


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Frame compatibility refers to the suitability of a bottom bracket with a bicycle's frame design or type. Choosing the correct compatibility ensures seamless installation, optimal performance, and prevents potential damage to the bike.
Popular options (you can select more than one)
BSA
Typical price
19.– to 110.–Features a threaded design, utilizing cups that screw directly into the frame.
BSA is known for its durability and ease of maintenance, making it a popular choice for road and mountain bikes.
Bestseller
BB86
Typical price
34.– to 180.–Designed for press-fit installation, fitting frames with a shell width of 86.5mm.
BB86 offers a wider stance for increased stiffness, enhancing pedaling efficiency and stability.
Bestseller
BB30
Typical price
27.– to 140.–Compact design with a larger diameter spindle and bearings pressed directly into the frame.
BB30 provides weight savings and increased stiffness, ideal for high-performance cycling.
Bestseller
PF30
Typical price
43.– to 180.–Similar to BB30 but with cups to house the bearings, allowing for easier installation.
PF30 balances lightweight design with ease of service, suitable for both racing and casual riding.
Bestseller
T47
Typical price
46.– to 210.–Combines the benefits of threaded and press-fit designs, offering a larger interface area.
T47 is favored for its robust performance and versatility, providing excellent fit in modern bike frames.
Bestseller
Axis compatibility refers to the ability of a bottom bracket to fit a specific crank axle diameter, ensuring proper installation and efficient power transfer. Choosing the right axis compatibility is essential for maintaining the drivetrain's performance, reducing wear, and enhancing riding efficiency.
Popular options (you can select more than one)
24 mm
Typical price
28.– to 210.–Designed for 24 mm crank axles, common in many Shimano and other standard road and mountain bike setups.
Provides reliable performance and compatibility with a wide range of bicycles, making it a versatile choice for many riders.
Bestseller
30mm
Typical price
51.– to 170.–Fits 30 mm crank axles, often found in high-performance road and mountain bike groupsets.
Offers increased stiffness and improved power transfer, ideal for those seeking enhanced performance and responsiveness.
Bestseller
Hollowtech II
Typical price
24.– to 170.–A specific Shimano standard that uses a 24 mm axle with a hollow design for reduced weight.
Enhances pedal efficiency and smoothness, perfect for riders prioritizing lightweight components and consistent performance.
Bestseller
Square-taper
Typical price
14.– to 36.–Traditional axle design featuring a square taper interface, widely used in older or entry-level bikes.
Provides a cost-effective and durable solution, suitable for casual riders and those maintaining classic bicycles.
Bestseller
DUB (28.8 mm)
Typical price
41.– to 260.–Proprietary SRAM design with a 28.8 mm axle diameter, aiming for simplicity and compatibility.
Ensures optimal performance with SRAM drivetrains, offering durability and ease of installation for modern bikes.
Bestseller
The axis diameter of a bottom bracket affects compatibility with cranksets and frames, influencing the bike's overall performance and efficiency. Choosing the correct axis diameter ensures smooth pedaling motion and prevents mechanical issues, enhancing the cycling experience.
Popular options
24 - 25 mm
Typical price
31.– to 180.–Standard size suitable for most road and mountain bikes, offering reliable performance.
Ideal for cyclists seeking a balance between strength and weight, providing efficient power transfer.
Bestseller
26 - 28 mm
Typical price
7.– to 19.–Larger diameter offers increased stiffness, beneficial for aggressive riding styles.
Recommended for riders who prioritize durability and performance in challenging conditions.
Bestseller
29 - 31 mm
Typical price
51.– to 170.–Extra-large diameter designed for high-performance and competitive cycling.
Best suited for professional cyclists or those seeking maximum power output and stability.
Bestseller
Box width determines the overall width of the bottom bracket shell, influencing compatibility with different bicycle frames. Selecting the appropriate box width ensures proper fit and function, impacting the bike's performance and rider comfort.
Popular options (you can select more than one)
68 mm
Typical price
23.– to 140.–Standard width for road bikes, offering a compact fit.
Ideal for lightweight road frames, providing efficient power transfer.
Bestseller
73 mm
Typical price
32.– to 150.–Commonly used in mountain bikes, providing extra stability.
Suitable for off-road riding, enhancing durability and support in rugged terrain.
Bestseller
86.5 mm
Typical price
45.– to 220.–Wider width designed for specific road bike frames, increasing stiffness.
Enhances performance in high-speed road cycling, ensuring reliable power output.
Bestseller
92 mm
Typical price
30.– to 130.–Extra wide option for modern mountain bike designs, improving rigidity.
Ideal for aggressive trail riding, offering enhanced strength and control.
Bestseller
100 mm
Typical price
30.– to 54.–Maximum width for fat bikes, accommodating wider tires.
Best for snow and sand riding, providing superior stability with wide tire setups.
Bestseller
Choosing the right brand for bottom brackets significantly impacts your bike's performance and durability. Brands like Shimano, SRAM, and Race Face are renowned for their innovation and reliability, offering options for both casual cyclists and professional racers.
Popular brands (you can select more than one)
Shimano
Known for its precision and quality in manufacturing cycling components.
Ideal for those seeking reliable performance and durability in both casual and competitive settings.
Bestseller
Sram
Famous for its innovative designs and advanced technology.
Offers lightweight and high-performance options, perfect for competitive cyclists.
Bestseller
Truvativ
Recognized for robust and sturdy components, well-suited for mountain biking.
A great choice for riders looking for durability and strength in challenging terrains.
Bestseller
Race Face
Specializes in high-performance, stylish components for mountain biking.
Perfect for cyclists looking for both functionality and aesthetic appeal.
Bestseller
Rotor Bike Components
Known for its cutting-edge technology and unique design features.
Ideal for enthusiasts focusing on performance enhancement and innovation.
Bestseller












