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


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Axis compatibility determines which bottom bracket fits with your bike's crankset, directly affecting installation ease and bike performance. Choosing the correct axis ensures smooth pedaling, efficient power transfer, and prevents damage to the components.
Popular options (you can select more than one)
DUB (28.8 mm)
Typical price
45,– to 260,–Designed to fit SRAM's DUB cranksets, offering a wider range of compatibility with various bike frames.
Provides enhanced durability and better sealing, ideal for cyclists seeking reliable performance in diverse conditions.
Bestseller
24 mm
Typical price
40,– to 230,–Commonly used size that fits many Shimano and other cranksets, providing broad compatibility.
Offers a balance between weight and strength, suitable for general riding and racing scenarios.
Bestseller
30mm
Typical price
54,– to 150,–Larger diameter provides increased stiffness and efficiency, often found in high-performance setups.
Ideal for competitive riders looking for optimized power transfer and reduced flex during intense rides.
Bestseller
Square-taper
Typical price
18,– to 38,–Traditional design featuring a square spindle, compatible with older and entry-level cranksets.
Affordable and easy to maintain, perfect for casual riders or those with classic bike models.
Bestseller
Hollowtech II
Typical price
33,– to 300,–Uses an integrated spindle with outboard bearings, enhancing stiffness and pedal efficiency.
Favored by performance-oriented riders for its lightweight design and smooth operation in challenging terrains.
Bestseller
Box width refers to the width of the bottom bracket shell on a bicycle frame, determining compatibility with specific bottom bracket sizes. Choosing the correct 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
35,– to 150,–Commonly used in road bikes and some mountain bikes, offering a standard fit for many frames.
Provides a balance between weight and durability, suitable for general riding conditions.
Bestseller
73 mm
Typical price
38,– to 140,–Typically found on mountain bikes, designed to accommodate wider frames and larger tires.
Enhances stability and support, ideal for off-road and rugged terrain cycling.
Bestseller
86.5 mm
Typical price
43,– to 300,–Used in press-fit bottom brackets, commonly seen in high-performance road bikes.
Offers improved power transfer and stiffness, enhancing pedaling efficiency for competitive cycling.
Bestseller
70 mm
Typical price
43,– to 120,–Less common, often found on Italian-threaded bottom brackets for certain road bikes.
Designed for specific frame standards, ensuring compatibility with traditional Italian bicycle designs.
Bestseller
100 mm
Typical price
35,– to 61,–Used predominantly in fat bikes to accommodate wide tires and frames.
Provides increased stability and control, essential for riding in snow, sand, or loose terrain.
Bestseller
Frame compatibility refers to the specific bottom bracket standard that fits your bike frame. Choosing the correct type ensures proper installation and optimal performance, avoiding issues like misalignment or premature wear.
Popular options (you can select more than one)
BSA
Typical price
27,– to 85,–Features a threaded interface that is easy to install and maintain.
BSA is widely compatible with many frames, offering reliability and ease of use.
Bestseller
BB30
Typical price
35,– to 210,–Uses a larger diameter spindle and bearings pressed directly into the frame.
BB30 provides increased stiffness and performance, ideal for competitive cyclists.
Bestseller
BB86
Typical price
43,– to 240,–Incorporates a press-fit design with a wider shell than BB30.
BB86 enhances power transfer and is often found on road bikes for efficient pedaling.
Bestseller
PF30
Typical price
54,– to 220,–Similar to BB30 but with cups that press into the frame instead of bearings.
PF30 offers easier installation and maintenance while maintaining high stiffness.
Bestseller
T47
Typical price
45,– to 240,–Combines a threaded design with a larger diameter for modern performance demands.
T47 is known for its durability and compatibility with newer bike models, blending the best of threaded and press-fit systems.
Bestseller
Axis diameter refers to the thickness of the bottom bracket spindle, which connects the crankset to the bicycle frame. Choosing the right diameter is crucial for compatibility with your bike's crankset and frame, ensuring efficient power transfer and smooth pedaling.
Popular options
24 - 29 mm
Typical price
40,– to 140,–Standard diameter used in many traditional and entry-level bikes.
Offers a balance between strength and weight, ideal for general riding and casual cyclists.
Bestseller
30 - 50 mm
Typical price
38,– to 190,–Larger diameter often found in high-performance and modern bikes.
Provides increased stiffness and power transfer, suitable for competitive cycling and demanding conditions.
Bestseller

Cane Creek Hellbender 70 BSA30 bottom bracket, stainless steel, thread fit, 30mm, 68/73mm, silver
51 - 73 mm
Typical price
25,– to 48,–Extra-large diameter used in specific high-end and customized bikes.
Delivers maximum stiffness and durability, designed for extreme biking and heavy-duty use.
Bestseller
The brand factor is crucial in determining the quality and reliability of bottom brackets, impacting performance and longevity. Shimano and Sram are prominent, with Shimano known for its durability and Sram for lightweight options, while Race Face caters to performance-driven riders.
Popular brands (you can select more than one)
Shimano
Renowned for its durability and precision engineering in bottom brackets.
Ideal for endurance riders seeking reliable performance over long distances.
Bestseller
Sram
Known for producing lightweight and efficient bottom brackets.
Preferred by competitive cyclists for its smooth power transfer and minimal weight.
Bestseller
Truvativ
Offers robust bottom brackets suitable for mountain biking.
Great for those needing durable components that withstand rough terrains.
Bestseller
Race Face
Specializes in high-performance bottom brackets for aggressive riding styles.
Favored by mountain bikers for its strength and adaptability in tough conditions.
Bestseller

Race Face Spacer Kit Cinch BB Spacer BB386
Rotor Bike Components
Innovative in creating high-quality, low-maintenance bottom brackets.
Perfect for tech-savvy cyclists looking for advanced engineering and efficiency.
Bestseller