
Too Many Bottom Brackets? Here's How to Choose the Right One
Consider these key factors to help you select the perfect bottom bracket for your bike.
Last updated 4 days ago. Automatically generated content.


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Axis compatibility in bottom brackets refers to the diameter of the spindle that connects the crankset to the bike frame, impacting the drivetrain's efficiency and performance. Choosing the correct axis compatibility ensures smooth pedaling and proper alignment, enhancing the bike's overall functionality and rider comfort.
Popular options (you can select more than one)
24 mm
Typical price
48,– to 150,–Suitable for many standard cranksets, providing reliable performance for general cycling needs.
Ideal for riders who prefer a balance of sturdiness and smooth operation, commonly found in road and mountain bikes.
Bestseller
30mm
Typical price
61,– to 200,–Offers increased stiffness and power transfer, benefiting competitive cyclists.
Recommended for those seeking enhanced performance in racing or high-intensity cycling scenarios.
Bestseller
DUB (28.8 mm)
Typical price
48,– to 240,–Combines durability with lightweight design, ensuring optimal efficiency.
Great for cyclists looking for a modern solution that balances strength and weight, suitable for versatile riding conditions.
Bestseller
Hollowtech II
Typical price
33,– to 260,–Features a lightweight hollow spindle, enhancing rigidity and weight reduction.
Perfect for riders focused on maximizing speed and agility, prevalent in high-performance road and mountain biking.
Bestseller
Square-taper
Typical price
20,– to 35,–Classic design known for its simplicity and compatibility with older bike models.
Best for casual cyclists or those maintaining vintage bikes, offering ease of installation and maintenance.
Bestseller
Box width refers to the width of the bottom bracket shell on a bicycle frame, crucial for ensuring compatibility with the frame and crankset. Choosing the correct box width is important for maintaining the structural integrity and performance of the bike, affecting pedaling efficiency and overall ride quality.
Popular options (you can select more than one)
68 mm
Typical price
31,– to 140,–Commonly used in road bikes, providing a narrow profile for better aerodynamics.
Ideal for riders seeking lightweight and efficient setups, ensuring smooth pedaling on paved surfaces.
Bestseller
73 mm
Typical price
43,– to 120,–Typically found on mountain bikes, offering a wider base for added durability.
Recommended for off-road enthusiasts, enhancing stability and strength on rough terrains.
Bestseller
86.5 mm
Typical price
38,– to 230,–Used in bikes with press-fit bottom brackets, offering a broader platform.
Ideal for high-performance road and triathlon bikes, maximizing power transfer and speed.
Bestseller

Enduro Bearings BB86 Delrin Cup ABEC 3 bottom bracket, SRAM GXP cranks (BK-6019)
92 mm
Typical price
40,– to 100,–Common in modern mountain bikes with press-fit bottom brackets for increased robustness.
Perfect for aggressive trail and downhill riders, providing enhanced support and reliability.
Bestseller
Frame compatibility refers to the ability of a bottom bracket to fit and function properly with the bicycle frame's specific design. Choosing the correct frame compatibility is essential for proper installation and optimal performance, preventing mechanical issues and ensuring a smooth ride.
Popular options (you can select more than one)
BSA
Typical price
25,– to 89,–Features a threaded design for secure attachment to the frame.
Ideal for traditional frames, offering easy installation and reliable performance.
Bestseller
BB30
Typical price
31,– to 200,–Utilizes a larger diameter for increased stiffness and weight reduction.
Great for performance-oriented cyclists seeking improved power transfer and lightweight design.
Bestseller
PF30
Typical price
45,– to 210,–Press-fit design enhances ease of installation and reduces weight.
Suitable for riders looking for simplicity and a reduction in maintenance needs.
Bestseller
T47
Typical price
51,– to 230,–Combines the benefits of threaded and press-fit systems for versatility.
Offers superior durability and compatibility, ideal for diverse riding conditions.
Bestseller
Italian (ITA)
Typical price
40,– to 120,–Uses a traditional threading pattern specific to Italian frames.
Best for vintage or high-end Italian bikes, providing an authentic fit and performance.
Bestseller
Axis diameter refers to the thickness of the spindle in a bottom bracket, which influences compatibility with cranksets and overall durability. Choosing the correct axis diameter ensures optimal performance, stability, and longevity of the bike, affecting ride quality and maintenance needs.
Popular options
Up to 24 mm
Typical price
38,– to 120,–Commonly used in older or entry-level bikes, providing basic performance.
Ideal for casual riders, offering sufficient durability and compatibility with standard cranksets.
Bestseller

Enduro Bearings BB86 Delrin Cup ABEC 3 bottom bracket, SRAM GXP cranks (BK-6019)
25 - 29 mm
Typical price
43,– to 170,–Offers improved stiffness and strength, suitable for modern bikes.
Recommended for enthusiasts seeking enhanced performance and reliability on varied terrains.
Bestseller
30 - 35 mm
Typical price
61,– to 160,–Features superior rigidity and power transfer, ideal for competitive cycling.
Perfect for professional riders or those demanding high performance in challenging conditions, ensuring minimal energy loss.
Bestseller

Cane Creek Hellbender 70 BSA30 bottom bracket, stainless steel, thread fit, 30mm, 68/73mm, silver
The choice of bottom bracket brand influences durability, compatibility, and performance of the bicycle. Shimano, SRAM, and Race Face are key players, with Shimano recognized for reliability, SRAM for innovation, and Race Face for robust designs suitable for mountain biking.
Popular brands (you can select more than one)
Shimano
Renowned for producing reliable and long-lasting components.
Ideal for riders seeking dependable performance across a variety of cycling disciplines.
Bestseller
Sram
Known for innovative technologies and lightweight designs.
Perfect for those looking to enhance their bike's performance with cutting-edge features.
Bestseller
Truvativ
Specializes in robust and versatile bottom brackets.
Excellent choice for mountain bikers needing durable components for tough terrains.
Bestseller
Race Face
Famous for strong and durable bottom brackets tailored for mountain biking.
Preferred by riders who prioritize endurance and resilience in challenging conditions.
Bestseller
Rotor Bike Components
Distinguished by high-performance and precision-engineered products.
Ideal for cyclists aiming for optimized efficiency and power transfer.
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