
Too Many Bottom Brackets? Find the Right One for You
Here are five key factors to consider when selecting the perfect bottom bracket for your bike.
Last updated 2 days ago. Automatically generated content.


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Axis diameter refers to the width of the spindle inside a bottom bracket, crucial for compatibility with bike frames and cranksets. Choosing the right axis diameter ensures optimal performance and fit, affecting power transfer and ride smoothness.
Popular options
Up to 24 mm
Typical price
31.– to 160.–Features a smaller spindle size, commonly found in older or entry-level bikes.
Offers compatibility with a wide range of frames, making it versatile for various biking needs.
Bestseller
25 - 28 mm
Typical price
8.50 to 20.–Provides a mid-range spindle size, often seen in modern bikes.
Balances strength and weight, ideal for regular cycling and moderate performance demands.
Bestseller
29 - 35 mm
Typical price
51.– to 180.–Includes larger spindle sizes, typically used in high-performance bikes.
Enhances stiffness and power transfer, suitable for competitive cycling and demanding terrains.
Bestseller

Wolf Tooth Bottom Bracket BSA, 30mm, 68/73mm, black
Frame compatibility is crucial in selecting a bottom bracket as it ensures a proper fit with the bicycle frame, impacting the bike's overall performance and durability. Choosing the right type prevents mechanical issues and enhances the riding experience by providing smooth and efficient pedal action.
Popular options (you can select more than one)
BSA
Typical price
19.– to 110.–Features a threaded design that screws into the frame, ensuring a secure fit.
Ideal for traditional bikes, offering reliability and ease of maintenance.
Bestseller
BB30
Typical price
27.– to 130.–Utilizes a larger diameter spindle, allowing for lighter and stiffer construction.
Perfect for performance-focused riders, enhancing power transfer and reducing weight.
Bestseller
PF30
Typical price
42.– to 180.–Press-fit design simplifies installation by eliminating threads.
Recommended for modern bikes, providing a balance between weight savings and robust performance.
Bestseller
BB86
Typical price
34.– to 190.–Wide shell enhances stability and support, fitting snugly into the frame.
Suitable for both road and mountain bikes, offering versatility and improved ride quality.
Bestseller
BB92
Typical price
32.– to 77.–Extended shell length increases frame rigidity, contributing to smoother rides.
Great for bikes with wider frames, providing enhanced durability and consistent performance.
Bestseller
Box width refers to the dimension of the bottom bracket shell that your bike frame requires, directly affecting compatibility with your crankset and frame design. Choosing the correct box width is essential for ensuring a secure and precise fit, which contributes to efficient power transfer and overall bike performance.
Popular options (you can select more than one)
68 mm
Typical price
25.– to 150.–Standard size for many road bikes, providing a compact and lightweight setup.
Ideal for riders seeking efficient power transfer and lighter weight for road cycling.
Bestseller
73 mm
Typical price
31.– to 160.–Commonly used in mountain bikes, offering extra durability and strength.
Perfect for off-road enthusiasts looking for increased stability and robust performance.
Bestseller
86.5 mm
Typical price
45.– to 220.–Wider size suitable for specific road and triathlon bikes, enhancing stiffness.
Recommended for cyclists focused on speed and aerodynamics, needing a stiffer frame.
Bestseller
92 mm
Typical price
33.– to 120.–Used in some mountain and fat bikes, providing additional space for wider tires.
Great for riders tackling rugged terrains or snowy conditions, accommodating larger tires for better traction.
Bestseller
100 mm
Typical price
32.– to 45.–Extra wide dimension mainly found in fat bikes, designed for maximum stability.
Best for extreme terrain riders who require support for the largest tires and enhanced balance.
Bestseller
Axis compatibility determines which spindle size a bottom bracket can accommodate, directly impacting the types of cranksets that can be used. Choosing the right axis compatibility is crucial for ensuring smooth operation and optimal power transfer in cycling.
Popular options (you can select more than one)
30mm
Typical price
51.– to 180.–Supports cranksets with a 30mm spindle diameter, offering increased stiffness.
Ideal for riders seeking enhanced power transfer and performance in competitive cycling.
Bestseller

Wolf Tooth Bottom Bracket BSA, 30mm, 68/73mm, black
24 mm
Typical price
32.– to 210.–Accommodates cranksets with a 24mm spindle diameter, providing broad compatibility.
Suitable for recreational cyclists looking for reliable and consistent performance.
Bestseller
Square-taper
Typical price
14.– to 37.–Features a tapered spindle design for older or entry-level cranksets.
Great for casual cyclists or those maintaining vintage bikes, offering simplicity and ease of use.
Bestseller
DUB (28.8 mm)
Typical price
42.– to 240.–Utilizes a 28.8mm spindle for a balance between stiffness and weight savings.
Perfect for cyclists aiming for a lightweight setup without compromising strength and durability.
Bestseller
Hollowtech II
Typical price
26.– to 190.–Employs an integrated spindle system with external bearings for improved rigidity.
Recommended for performance-oriented cyclists seeking durability and efficient power transfer.
Bestseller
Choosing the right brand for bottom brackets affects durability, performance, and compatibility with your bike. Shimano, Sram, and Race Face are known for their reliability, with Shimano offering consistent quality, Sram providing innovative solutions, and Race Face delivering robust construction for aggressive riding.
Popular brands (you can select more than one)
Shimano
Offers a wide range of bottom brackets known for their smooth performance and long-lasting quality.
Ideal for cyclists seeking consistent and reliable performance, suitable for both road and mountain biking.
Bestseller
Sram
Renowned for innovative designs and advanced technology in bottom bracket construction.
Great choice for riders looking for cutting-edge solutions and enhanced functionality in demanding conditions.
Bestseller
Truvativ
Known for sturdy and well-engineered bottom brackets that cater to various cycling needs.
Preferred by cyclists who prioritize durability and compatibility with a wide array of bike setups.
Bestseller
Race Face
Specializes in robust bottom brackets designed for aggressive mountain biking.
Perfect for riders who need reliable performance in challenging terrains, offering strength and resilience.
Bestseller
Rotor Bike Components
Recognized for high-precision engineering and lightweight bottom brackets.
Ideal for performance-focused cyclists seeking efficiency and reduced weight in their setup.
Bestseller










