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Best Bottom Bracket For Mtb (2023 Update)

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If you’re looking for a smooth and reliable ride on your mountain bike, one important component that you shouldn’t overlook is the bottom bracket. A high-quality bottom bracket will ensure efficient power transfer, smoother pedaling, and a longer lifespan for your bike. But with so many options on the market, how do you choose the best one for your MTB?

When shopping for a bottom bracket, there are several factors to consider. First, you need to determine the type of bottom bracket your bike currently has, as well as the shell width and spindle length. You should also consider the type of riding you’ll be doing and your budget. For example, if you’re an aggressive rider who enjoys technical descents, you’ll want a bottom bracket with a high level of durability and resistance to impact.

To find the best bottom bracket for your MTB, ask yourself: What type of riding do I mostly do? What is my budget for a bottom bracket? Do I prefer a sealed cartridge or a traditional cup and cone design? Will a ceramic bearing offer a significant performance advantage for my needs? With these questions in mind, you’ll be able to narrow down your choices and make an informed decision.

Don’t settle for a subpar bottom bracket that compromises your riding experience. By choosing the best bottom bracket for your MTB, you’ll enjoy a smoother, more efficient ride that allows you to tackle any terrain with ease.

10 Best Bottom Bracket For Mtb

# Product Image Product Name Product Notes Check Price
1

Ideal for mountain bikes with SRAM Dub 28.99mm spindle and threaded BSA bottom bracket shell sizes of 68/73mm.

2

The product is ideal for bottom bracket installation on mountain bikes with SRAM Dub 28.99mm spindles using press-fit BB90/BB92.

3

This product is ideal for fitting bike bottom brackets and cranksets on both mountain and road bicycles.

4

This product is ideal for installing a Shimano crankset on a bike with an English threaded bottom bracket shell.

5

This product is ideal for mountain bicycles with press fit bottom brackets.

6

This product is ideal for mountain, BMX and road bicycles and is compatible with Shimano, FSA, and Giant brands.

7

This product is ideal for mountain bikes, BMX, and road bicycles that require a 170mm crank arm set with a 104 BCD.

8

This product is ideal for mountain bikes with 1x, 2x or 3x speed and requires a BSA bottom bracket.

9

This product is ideal for mountain bikes, BMX bikes and road bicycles compatible with Shimano and FSA systems.

10

This product is ideal for use in bicycles that require a square type bottom bracket with a 73mm width and 122.5mm spindle.

Ideal for mountain bikes with SRAM Dub 28.99mm spindle and threaded BSA bottom bracket shell sizes of 68/73mm.

The product is ideal for bottom bracket installation on mountain bikes with SRAM Dub 28.99mm spindles using press-fit BB90/BB92.

This product is ideal for fitting bike bottom brackets and cranksets on both mountain and road bicycles.

This product is ideal for installing a Shimano crankset on a bike with an English threaded bottom bracket shell.

This product is ideal for mountain bicycles with press fit bottom brackets.

This product is ideal for mountain, BMX and road bicycles and is compatible with Shimano, FSA, and Giant brands.

This product is ideal for mountain bikes, BMX, and road bicycles that require a 170mm crank arm set with a 104 BCD.

This product is ideal for mountain bikes with 1x, 2x or 3x speed and requires a BSA bottom bracket.

This product is ideal for mountain bikes, BMX bikes and road bicycles compatible with Shimano and FSA systems.

This product is ideal for use in bicycles that require a square type bottom bracket with a 73mm width and 122.5mm spindle.

1. Mountain Bike Bottom Bracket – Sram Compatible

If you're in the market for a sturdy and reliable bottom bracket shell, the Fit Frame Bottom Bracket is a top contender. This BSA 68mm / 73mm shell is designed for external threaded mounting and boasts an English 1.37x24T thread type.

One of the standout features of this bottom bracket is its compatibility with 28.99mm SRAM DUB spindles. It also includes sealed bearings for a smooth and long-lasting ride.

For 68mm frame shell widths, the Fit Frame Bottom Bracket comes with 2x 2.5mm plastic spacers. Additionally, a 4.5mm alloy outer spacer is included for installation onto the crank drive side of the spindle.

Crafted with 6061 aluminum alloy, this bottom bracket is both durable and lightweight, weighing in at just 95g. With a shell width of 68mm / 73mm, it's versatile enough to fit a range of bikes.

Ordering the Fit Frame Bottom Bracket is a worry-free experience, thanks to the included one-year warranty. Feel confident in your purchase and enjoy a smoother ride with this top-of-the-line bottom bracket.

2. Cyclingdeal Mtb Bottom Bracket Compatible With Sram Dub 28.99mm Spindle – Press-Fit Bb90/bb92

Looking for a reliable bottom bracket for your bike? Look no further than the Fit Frame Bottom Bracket.

This bottom bracket is designed to fit BB90/BB92 shell types, with a shell size of 41mm x 89.5mm/92mm and a mounting type of press-fit. It's compatible with 28.99mm SRAM DUB spindles and features sealed bearings for added durability.

The Fit Frame Bottom Bracket comes with spindle spacers, including a 4.5mm spacer for 89.5mm frame shell width and a 2mm spacer for 92mm frame shell width. It's important to note that the spacers should be installed on the crank drive side of the spindle.

Constructed from 6061 aluminum alloy, this bottom bracket is both lightweight and durable. It weighs in at just 99g (0.21lbs) and has a shell width of 89.5mm/92mm.

Ordering the Fit Frame Bottom Bracket is completely worry-free, as the manufacturer offers a one-year warranty. With its reliable construction and compatible design, this bottom bracket is a great choice for any cyclist.

3. Prowheel-Compatible Bike Bottom Bracket For Any Terrain

Looking for a lightweight and durable bike accessory that can enhance your pedaling experience? Look no further than this qualified aluminum alloy pedal!

Crafted with fine workmanship, this pedal boasts a solid and durable build that is also lightweight, making it the perfect option for cyclists who prioritize both performance and convenience.

But that's not all – this pedal also features a separate rubber seal and internal spring, which work together to prevent water and dust from damaging the pedal. This means that you can use it in any weather condition without worrying about it deteriorating quickly.

Additionally, this pedal is designed for ease of installation and operation, with a smooth rotation that provides greater transmission of force from the pedal. This makes pedaling more labor-saving and efficient, helping you to go further with less effort.

Not only that, but this pedal is also highly versatile, with compatibility with Shimano supplementary cranksets, pinwheels, FSA supplementary cranksets, Sunrace and SRAM hollow cranksets, and more. As long as the diameter of the cylinder in the hollow chock is about 24 mm, this pedal can be used with ease.

And if you ever encounter any issues with this product, don't hesitate to contact the seller for prompt and helpful customer service. With all of these features and benefits, this aluminum alloy pedal is a must-have for any serious cyclist!

4. Thinvik Bottom Bracket, Bsa 68-73mm English For 24mm Spindle Crank,compatible With Shimano Crankset

The Thinvik BSA Bottom Bracket is a highly durable and reliable product that boasts a range of impressive features. With its cold-forged and CNC-machined aluminum alloy cups, dual-labyrinth bearing covers, and precision sealed bearings, this bottom bracket is designed to provide superior performance and longevity.

Compatibility is a key consideration for any bottom bracket, and the Thinvik BSA Bottom Bracket is no exception. This bottom bracket is specifically designed to work with road bikes and MTBs, and is the perfect match for 24mm crank spindles. However, it is important to note that this bottom bracket is not compatible with Sram GXP 22mm, Dub 28.99mm, FSA, and other brand 30mm spindle crank systems.

The Thinvik BSA Bottom Bracket is designed to fit frames with 68/73mm bottom bracket shells, making it a versatile option for a wide range of bikes. The BC1.37-inch*24T L/R Threaded Connection design enhances lateral stability to avoid creaking sounds, ensuring a smooth and quiet ride.

Thinvik is committed to providing its customers with high-quality products and excellent customer service. That's why the company offers a one-year warranty on this bottom bracket. If you encounter any issues with your product, simply contact the company for assistance.

5. Shimano Deore Xt Press Fit Mountain Bicycle Bottom Bracket – Bb-Mt800-Pc – Ibbmt800pc

The Shimano 24mm MTB cranks are specifically designed for the avid mountain biker in mind. These cranks are engineered to provide a seamless riding experience, and work in conjunction with a variety of MTB components to ensure optimal performance.

One of the key features of the Shimano 24mm MTB cranks is their utilization of high quality sealed bearings. These bearings are expertly crafted to provide a smooth and consistent ride, while also effectively reducing friction and wear. This means that you can push your MTB to its limits, without having to worry about any unwanted hiccups or issues.

Additionally, the Shimano 24mm MTB cranks are built to last. They are constructed with durable materials that are designed to withstand even the toughest of mountain biking conditions. From steep inclines to rocky terrain, these cranks are up to the task and will provide you with the reliability and support that you need to tackle any challenge.

6. Mountain Bike Crankset Kit With Bottom Bracket

The forged aluminum alloy crank set is an excellent addition to any cycling enthusiast's gear. It boasts a BCD (Bolt Circle Diameter) of 104mm/4.09in, a crank arm length of 170mm/6.69in, and a crank related holes distance of 74mm/2.91in. The bottom bracket width is compatible with 68-73mm/2.67-2.87in measurements, and the crank screw aliber is 15mm/5.9in. These parameters make it a versatile choice for a range of bikes.

What sets this crank set apart is its lightweight design, making it easy to maneuver and carry. The flashy styling adds an aesthetically pleasing touch to your bike. It's not just style over substance, though, as it also has high axial strength and compatibility with a range of bikes.

The IXF dental plate compatibility is an added bonus, providing a smoother ride and easier installation. It is also compatible with popular bike brands like Shimano, FSA, Gaint ATX770 ATX770-D XTC 750.

The package includes a forged crank set, a bottom bracket, 4 pcs single chainring bolts, a crank screw, a crankset bolt allen wrench, and 1 x 104BCD narrow wide chainring. This comprehensive package provides everything you need to install the crank set quickly and efficiently.

7. Cysky 170mm Mountain Bike Crank Set

Introducing a high-quality and stylish forged crank set that is designed to provide exceptional performance and durability. The crank set is made of lightweight aluminum alloy that not only enhances its stylish appearance but also ensures high axial strength and compatibility with a variety of bikes.

With a bottom bracket width ranging from 68-73mm, this crank set is highly flexible and can fit a wide range of bikes. The BCD (Bolt Circle Diameter) measures 104mm, while the crank arm is 170mm in length, with a crank-related holes distance of 74mm. These parameters make it easy to install and compatible with a variety of bikes.

In addition to the forged crank set, the package includes a bottom bracket, 4 pcs single chainring bolts, crank screw, and crankset bolt Allen wrench. This ensures that you have everything you need to install the crank set and get started with your biking adventures.

The crank set is also compatible with a variety of biking brands including Shimano, FSA, Gaint ATX770 ATX770-D XTC 750, making it a versatile and reliable option for any biker looking for a high-quality crank set.

8. Djc Mountain Bike Crankset With Bottom Bracket

This versatile crankset is designed to fit most MTB frames with a 104mm BCD, which is a popular size and relatively affordable. It boasts a spindle that provides excellent rigidity when riding. You can choose from two different crank lengths, 170mm or 175mm, to fit your personal preference.

This crankset is compatible with multiple speeds, including 1x, 2x, and 3x. However, most people prefer to use it as a 1x setup. The package comes with a narrow-wide chainring with a 104BCD that works with 7-12s chains. The crankset hole for the pedal is 9/16 inch (14mm), providing ample space for various pedals.

The thread BSA bottom bracket included with the crankset accommodates 99% of MTB frames. The crankset spindle diameter is 24mm, which is standard. The crankset is made of high-quality aluminum 6061 that is 3D forged and CNC processed, ensuring durability. The hollow tech applied to the design provides a lightweight option, with a total weight of only 680g for a pair of cranksets.

In the package, you will receive a pair of cranksets, one 104BCD narrow-wide chainring, four sets of steel bolts, a BSA bottom bracket, an aluminum side cap, and a wrench for the side cap. With all these components, you can assemble your new crankset easily and quickly.

9. Ultimate Mtb Crank Set: Litetop 175mm

Looking for a high-quality, lightweight and stylish crank set for your bike? Look no further than this aluminum alloy forged crank set! With its flashy styling and high axial strength, this crank set is sure to turn heads and provide you with the performance you need to take your biking to the next level.

Designed with compatibility in mind, this crank set is suitable for use with a range of popular bike models, including Shimano, FSA, Gaint ATX770 ATX770-D XTC 750. It has a bottom bracket width of 68-73mm, making it easy to install on a variety of bikes.

Featuring a BCD of 104mm, a crank arm length of 175mm and a crank related holes distance of 74mm, this crank set is packed with impressive features and specifications. It comes complete with a bottom bracket, 4 pcs single chainring bolts, crank screw, crankset bolt and Allen wrench, giving you everything you need to get started.

Whether you're a seasoned cyclist or just starting out, this crank set is a great choice for anyone looking for a high-quality, reliable and stylish bike upgrade. So why wait? Order yours today and take your biking to the next level!

10. Shimano Square Type Bicycle Bottom Bracket – Bsa 73mm, Spindle: 122.5mm (Ll123) – Ebbun300c23x

This bicycle crankset features a hollow spindle and a spindle interface type of square taper JIS. The bottom bracket shell I.D. is 1.37 inches. Please note that the crankarm fixing bolts are sold separately. With its sturdy construction and reliable design, this crankset is a great choice for cyclists of all levels. The hollow spindle adds strength without adding weight, while the square taper JIS interface ensures a secure fit. The 1.37 inch bottom bracket shell I.D. is a standard size that will fit most bicycles. When purchasing this crankset, be sure to also purchase the necessary crankarm fixing bolts separately. Overall, this crankset is a dependable and high-quality choice for any cyclist looking for a durable and efficient upgrade to their bike.

Best Bottom Bracket For Mtb FAQs

Are there any bottom brackets specifically designed for downhill or enduro MTB riding?

Yes, there are several bottom brackets specifically designed for downhill or enduro MTB riding. These bottom brackets are designed to withstand the high forces and impacts of aggressive riding and provide better performance and durability.

One popular option is the Shimano Saint Bottom Bracket, which features a steel axle and durable construction to handle the demands of downhill riding. Another option is the SRAM DUB Downhill Bottom Bracket, which uses oversized bearings and a carbon fiber center sleeve for increased stiffness and durability.

Enduro riders may prefer the RaceFace Cinch Bottom Bracket, which features a modular design that allows for easy customization and compatibility with a variety of cranksets. The Hope Technology Ceramic Bottom Bracket is also a popular choice among enduro riders, thanks to its smooth and reliable performance.

It's important to choose a bottom bracket that is compatible with your bike's frame and crankset, and to regularly maintain and replace your bottom bracket to ensure optimal performance and durability.

Are there any bottom brackets that are more resistant to mud and debris than others for MTB riding?

Yes, there are bottom brackets that are designed to be more resistant to mud and debris for MTB riding. One example is the Shimano XTR BB93 bottom bracket, which features labyrinth and contact seals to keep dirt and moisture out. Another option is the Hope Technology Stainless Steel Bottom Bracket, which has a stainless steel construction and custom seals to prevent mud and water from entering the bearings. CeramicSpeed also offers bottom brackets with coated bearings that are designed for durability in harsh conditions.

It's important to note that regular maintenance and cleaning of your bottom bracket is also crucial for preventing mud and debris buildup. Regularly removing the bottom bracket and cleaning it thoroughly can help extend its lifespan and prevent damage to your bike's drivetrain. Additionally, using protective measures like a mud guard on your bike can help reduce the amount of dirt and debris that comes in contact with your bottom bracket.

Do I need any special tools to install a bottom bracket on my MTB?

Yes, you will need some special tools to install a bottom bracket on your MTB. The type of tools required will depend on the type of bottom bracket you have and the type of crankset you are using.

For most modern bottom brackets, you will need a bottom bracket tool, which is used to remove and install the bottom bracket cups. You may also need a crankset tool to remove and install the crankset itself.

If you have a press-fit bottom bracket, you will need a press tool to install the bottom bracket cups.

It's important to use the correct tools and techniques when installing a bottom bracket to ensure that it is installed correctly and will function properly. If you are not comfortable with doing this yourself, it's best to take your bike to a professional bike shop to have it installed.

In summary, while it is possible to install a bottom bracket on your MTB without special tools, it is not recommended. Using the proper tools and techniques will ensure that your bottom bracket is installed correctly and functions properly.

How do I know if a bottom bracket is compatible with my MTB frame and crankset?

To ensure that your bottom bracket is compatible with your MTB frame and crankset, you need to consider a few factors. First, you need to determine the correct shell width of your frame. Most MTBs have either a 68mm or 73mm shell width, but there are also other sizes available. You should check your frame manufacturer's specifications to determine the correct shell width.

Next, you need to determine the correct spindle length for your crankset. This will depend on the number of chainrings on your crankset and the chainline you want to achieve. Again, you should check your crankset manufacturer's specifications to determine the correct spindle length.

Once you have determined the correct shell width and spindle length, you can choose a bottom bracket that is compatible with your frame and crankset. Bottom brackets come in different types, such as threaded, press-fit, and BB30. Make sure to select the appropriate type for your frame.

It's important to note that some MTB frames and cranksets may have unique compatibility requirements, so it's always best to consult with a bike mechanic or the manufacturer to ensure compatibility.

Should I choose a threaded or press-fit bottom bracket for my MTB?

When it comes to choosing a bottom bracket for your MTB, there are two main options: threaded or press-fit. Both have their advantages and disadvantages, so it ultimately comes down to personal preference and compatibility with your bike.

Threaded bottom brackets are more traditional and have been used for decades. They are easy to install and remove, and they tend to be more reliable and durable. However, they can be heavier and may not be compatible with all types of frames.

Press-fit bottom brackets are newer and have become more popular in recent years. They are lighter and can provide a stiffer, more efficient pedaling platform. However, they can be more difficult to install and remove, and they may not be as reliable as threaded bottom brackets.

Ultimately, the choice between threaded or press-fit comes down to your personal needs and preferences. Consider the type of riding you will be doing, the compatibility with your bike frame, and your own experience and comfort with installation and maintenance.

What is the difference between a ceramic and a steel bottom bracket, and which is better for an MTB?

A bottom bracket is an important component in a mountain bike that connects the crankset to the frame. When it comes to bottom brackets, there are two common materials used for the bearings – ceramic and steel.

Ceramic bearings are typically more expensive than steel bearings, but they offer some advantages. Ceramic bearings are harder than steel bearings, which means they can handle higher loads and are more durable. They are also less prone to corrosion and can spin more smoothly, which can improve the overall performance of the bike.

Steel bearings are more affordable than ceramic bearings, but they are still a good option for a bottom bracket. They are easier to find, and they can still provide a smooth ride. They are also less likely to crack or shatter under extreme loads, which can be a concern for some riders.

When it comes to choosing between a ceramic and steel bottom bracket for an MTB, it really depends on your budget and riding style. Ceramic bearings are generally better for riders who want the highest performance and are willing to pay a premium for it. Steel bearings are a good option for most riders who want a reliable, affordable option.

What is the durability and longevity of a bottom bracket, and how often should it be replaced?

The durability and longevity of a bottom bracket can vary depending on a few factors, such as the quality of the bottom bracket, the type of riding you do, and how well it is maintained. Generally speaking, a high-quality bottom bracket that is well-maintained can last for several years. However, if you ride frequently or in harsh conditions, the bottom bracket may wear out more quickly.

It is recommended that you have your bottom bracket checked and serviced at least once a year to ensure it is in good working order. Signs that your bottom bracket may need to be replaced include grinding or clicking noises, excessive play or looseness, or difficulty pedaling smoothly.

If you are unsure about the condition of your bottom bracket, it is best to consult with a professional bike mechanic who can inspect it and provide recommendations for replacement if necessary. It is always better to err on the side of caution and replace a worn or damaged bottom bracket rather than risk further damage or injury while riding.

What is the most important factor to consider when choosing a bottom bracket for an MTB?

When choosing a bottom bracket for an MTB, the most important factor to consider is compatibility with your bike frame and crankset. Bottom brackets come in different sizes, standards, and thread types, depending on the type of bike and components you have. Therefore, it is crucial to know your frame's bottom bracket shell width, diameter, and threading, as well as your crankset's axle diameter, length, and type.

Another important consideration is the type of riding you'll be doing and your personal preferences. Mountain biking involves various terrains, disciplines, and riding styles, such as cross-country, trail, enduro, downhill, and freeride. Each style may require a specific bottom bracket type, such as a press-fit or threaded, a standard or a wider shell, a steel or a ceramic bearing, and a sealed or an open design. Moreover, some riders may prioritize durability, weight, stiffness, or ease of maintenance over other factors.

Therefore, it is recommended to consult with a knowledgeable bike mechanic or a reputable bike shop to help you choose the most suitable bottom bracket for your MTB based on your needs and budget.

What is the price range for high-quality bottom brackets for MTBs, and is it worth investing in a more expensive option?

When it comes to bottom brackets for mountain bikes, the price range can vary depending on the quality and features. Generally, high-quality bottom brackets can range from $50 to $200 or more. However, it is important to keep in mind that investing in a more expensive option can often lead to better performance and durability in the long run.

Higher-end bottom brackets often feature better materials, such as ceramic bearings or titanium spindles, which can reduce friction and increase efficiency. They may also have better sealing to prevent dirt and moisture from getting in, which can prolong the life of the bottom bracket.

While it may be tempting to go for a cheaper option, investing in a high-quality bottom bracket can ultimately save you money in the long run by reducing the need for frequent replacements and repairs. Additionally, a smoother and more efficient bottom bracket can improve your overall riding experience and performance.

Overall, if you are a serious mountain biker who values performance and durability, investing in a high-quality bottom bracket is definitely worth considering.

Which brands manufacture the best bottom brackets for MTBs?

When it comes to the best bottom brackets for MTBs, there are several brands that are known for their high-quality and durable products. Some of the top brands in this category include Shimano, SRAM, RaceFace, Chris King, and Hope.

Shimano is a popular choice for many mountain bikers due to their reliable and efficient bottom brackets. They offer a range of options including their XT and XTR models which are known for their durability and smooth performance.

SRAM is another top brand that produces high-quality bottom brackets for MTBs. Their GXP and DUB models are designed to be strong and reliable, and they are compatible with a range of different cranksets.

RaceFace is a Canadian brand that specializes in producing high-end components for mountain bikes. Their Cinch bottom brackets are known for their versatility and compatibility with a range of different frames and cranksets.

Chris King is a premium brand that is known for their precision-made components. Their bottom brackets are made to last and are designed to provide a smooth and efficient ride.

Finally, Hope is a UK-based brand that produces high-quality components for mountain bikes. Their bottom brackets are known for their strength and durability, and they are designed to withstand even the toughest riding conditions.

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