There are many factors to consider when choosing the best bike bottom bracket for your needs. The most important factor is compatibility - you need to make sure that the bottom bracket you choose is compatible with your frame and crankset. Other important factors include weight, durability, and bearing type.
We've put together a list of the best bike bottom brackets on the market, complete with ratings and reviews, to help you make the best decision for your needs.
10 Best Bike Bottom Brackets | June 2023 (Reviewed & Ranked)
Last updated on June 12, 2023
8 minutes
OUR TOP PICKS
Top #1
Mimoke Square Tapered Bottom Bracket BSA Innenlager Bearing 68mm x 113mm 116mm 118mm 122.5mm 124mm 1...
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Top #3
SHIMANO Square Type Bicycle Bottom Bracket - BSA 68MM, Spindle: 122.5MM - EBBUN300B22X
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A Few Of Our Ranking Metrics:
Check below for our tips on purchasing the best Bike Bottom Brackets:
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The 10 best Bike Bottom Brackets
Top #1
Mimoke Square Tapered Bottom Bracket BSA Innenlager Bearing 68mm x 113mm 116mm 118mm 122.5mm 124mm 126mm
90%
Customer
Satisfaction
100%
Overall
Score
91%
Product
Quality
View on Amazon
WHAT WE LIKE:
The best features of this product are that it is a bottom bracket with a square pin for 68 mm bike frames, it is quick and easy to install without adjustment, and the integrated system can protect the frame.
Pros & Cons From Reviewers:
It is good for the price.
It is easy to install.
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Top #2
SHIMANO BB-MT800 BSA-Innenlager (Lagerschalen) // SLX, Deore XT
94%
Customer
Satisfaction
99%
Overall
Score
88%
Product
Quality
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WHAT WE LIKE:
Lightweight and durable. Fits most bikes. Easy to install.
Pros & Cons From Reviewers:
The customer service is great.
The XT bottom bracket is of newer technology that the reviewer is reservedly impressed with.
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Top #3
SHIMANO Square Type Bicycle Bottom Bracket - BSA 68MM, Spindle: 122.5MM - EBBUN300B22X
87%
Customer
Satisfaction
97%
Overall
Score
93%
Product
Quality
View on Amazon
WHAT WE LIKE:
Lightweight and durable. Compatible with most bikes. Includes bearing and seal. Easy installation.
Pros & Cons From Reviewers:
The bike has a huge change in the geometry when it switch from the e-bike manufacturer's original design. The pedal feel is much more smooth and pleasant, and there is no noise at all - this is an amazing difference!
.
Better than the old one.
The bike pedals smoother.
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Top #4
Hoypeyfiy BB-UN26 Square Taper Bottom Bracket 68 * 123/127 / 110mm (Black 1Pcs)
90%
Customer
Satisfaction
95%
Overall
Score
85%
Product
Quality
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WHAT WE LIKE:
The best features of this product are that it is high quality and durable. It also fits square taper bottom brackets, which makes it a good choice for those who own one. Additionally, the customer service offered by the sellers is excellent, making it easy to buy with confidence.
Pros & Cons From Reviewers:
The cups are steel and would likely seize over time.
It is smoother than cup and cone bearings.
The replacement part is easy to engage with the splines on.
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Top #5
SHIMANO Square Type Bicycle Bottom Bracket - BSA 68MM, Spindle: 117.5MM - EBBUN300B17X
94%
Customer
Satisfaction
95%
Overall
Score
89%
Product
Quality
View on Amazon
WHAT WE LIKE:
Lightweight and durable. Compatible with most bikes. Includes bearing and seal. Easy installation.
Pros & Cons From Reviewers:
It is a shimano product.
It is well made and fairly priced.
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Top #6
SHIMANO BB-UN300 Bottom Bracket - English, 68 x 110mm Spindle, Square Taper JIS
87%
Customer
Satisfaction
95%
Overall
Score
90%
Product
Quality
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WHAT WE LIKE:
Fits JIS square-taper cranksets. Crankarm fixing bolts sold separately. Hollow spindle. Spindle Length: 110 mm.
Pros & Cons From Reviewers:
It is cheaper than a top-end model.
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Top #7
Boenoea Bike Bottom Bracket Power Spline Bottom Bracket Bicycle Square Cartridge Taper for Square Tapered Spindle Crank with Screws Bicycle Parts
90%
Customer
Satisfaction
93%
Overall
Score
89%
Product
Quality
View on Amazon
WHAT WE LIKE:
The high quality of the Boenoea bottom bracket. The long service time of the product. The ease of operation of the product. The use safe and reliable design of the sealed bearing cartridge bearing. The precision thread design for easy installation.
Pros & Cons From Reviewers:
The tool is easy to use.
It is good quality.
It is good for old bikes.
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Top #8
Shimano Saint M820 Bottom Bracket SM-BB80
97%
Customer
Satisfaction
93%
Overall
Score
89%
Product
Quality
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WHAT WE LIKE:
68/73 mm BB shell width is perfect for most bikes. Saint series offers great quality and performance. Made from high quality materials.
Pros & Cons From Reviewers:
It is good for getting your chain line perfect.
It is affordable.
The quality of the product is good.
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Top #9
SHIMANO Square Type Bicycle Bottom Bracket - BSA 68MM, Spindle: 127.5MM (D-EL) - EBBUN300B27B
88%
Customer
Satisfaction
93%
Overall
Score
88%
Product
Quality
View on Amazon
WHAT WE LIKE:
The best features of this product are that it fits JIS square-taper cranksets and has a better chainline stability with the chain line stabilizer.
Pros & Cons From Reviewers:
It is good because it works well.
The price is good.
The axle is wide enough.
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Top #10
SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X
92%
Customer
Satisfaction
93%
Overall
Score
88%
Product
Quality
View on Amazon
WHAT WE LIKE:
Lightweight and durable. Compatible with most bikes. Includes bearing and seal. Easy installation.
Pros & Cons From Reviewers:
The bearings feel great.
The bike is smooth and quiet.
It is good for people who have a 1996 or 1998 specialized stump jumper.
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Bike Bottom Brackets Buying Guide : What You Need To Know
*Our top pick for the best Bike Bottom Brackets
Attributes Of High Quality Bike Bottom Brackets
- A high quality bike bottom bracket will be made from durable and lightweight materials.
- It will have a smooth bearing surface that allows for easy pedaling.
- The bottom bracket should be properly sealed to keep out dirt and water.
How To Choose The Best Bike Bottom Brackets
There are a few things to consider when purchasing a bike bottom bracket. First, you need to know the size of your bike frame. Bottom brackets come in standard sizes, so you will need to measure your frame or look up the size in the bike's specifications. Second, you need to decide on the type of bottom bracket you want. There are three main types: threaded, press-fit, and internal-bearing. Each has its own advantages and disadvantages.
Threaded bottom brackets are the most common type. They are easy to install and remove, and they are compatible with a wide range of cranksets. The downside is that they can be prone to creaking and may require more maintenance than other types of bottom brackets.
Press-fit bottom brackets are held in place by friction instead of threads. They are usually lighter than threaded bottom brackets and provide a smoother ride. However, they can be difficult to install and remove, and they may not be compatible with all cranksets.
Internal-bearing bottom brackets are the most expensive type, but they offer the best performance. They are very smooth and durable, but they can be difficult to install and remove.
No matter what type of bottom bracket you choose, make sure it is compatible with your crankset and frame. Once you have installed it, check it periodically for wear and tear. Replace it when necessary to keep your bike running smoothly.
What To Avoid When Looking For The Best Bike Bottom Brackets
When it comes to choosing the best bike bottom bracket for your ride, there are a few things you'll want to avoid in order to ensure optimal performance and longevity. Here are a few tips:
1. Avoid cheap, generic bottom brackets. These are often lower quality and won't last as long as a more expensive, branded option.
2. Avoid bottom brackets that are the wrong size for your bike. This can lead to poor performance and premature wear.
3. Avoid bottom brackets that are incompatible with your crank arms. This can cause damage to both the bottom bracket and the crank arms themselves.
4. Avoid used or damaged bottom brackets. These may not function properly and could cause damage to your bike.
5. Avoid installing the bottom bracket yourself unless you're confident in your ability to do so correctly. Incorrect installation can lead to poor performance and damage to the bottom bracket or other components on your bike.