Best Bottom Bracket For Mountain Bike (2024 Updated)
Bottom brackets are an essential part of your mountain bike, connecting the crankset to the frame. When it comes to choosing the right bottom bracket for your mountain bike, there are several key points to consider.
First, it is important to make sure that the bottom bracket is compatible with the crankset and frame of your bike. Different bottom brackets have different spindle lengths and widths, so you should make sure that the bottom bracket you choose is compatible with the crankset and frame of your bike.
Second, you should consider the type of bottom bracket you want. There are several different types of bottom brackets, including threaded, press-fit, and BB30. Threaded bottom brackets are the most common, but press-fit and BB30 bottom brackets offer a stiffer and lighter bottom bracket.
Third, you should consider the material of the bottom bracket. Most bottom brackets are made from aluminum or steel, with aluminum being lighter but more prone to wear. Steel bottom brackets are heavier but more durable.
Fourth, if you are looking for a lightweight bottom bracket, you should consider ceramic bottom brackets. Ceramic bottom brackets are much lighter than aluminum or steel bottom brackets, but they are also more expensive and more fragile.
Finally, you should consider the brand of the bottom bracket. Different brands offer different levels of quality and performance, so it is important to choose a brand that offers a high-quality product.
In conclusion, when looking for a bottom bracket for a mountain bike, it is important to consider compatibility, type, material, weight, and brand. By taking these factors into consideration, you can ensure that you find the perfect bottom bracket for your mountain bike.
10 Best Bottom Bracket For Mountain Bike
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1. 170mm Mtb/bmx/road Crank Arm Set W/ Bottom Bracket Kit & Chainring Bolts
This CYSKY Bike Crank Arm Set is an ideal accessory for your mountain bike, BMX, or road bike. The set is made of high-strength aluminum alloy for light weight, stylish and flashy styling. The bottom bracket width is adjustable from 68-73mm and the BCD is 104mm, while the crank arm length is 170mm, the crank related holes distance is 74mm.
This set comes with everything you need to install it, including a forged crank set, bottom bracket, 4 single chainring bolts, a crank screw, and a crankset bolt Allen wrench. It is compatible with a range of popular brands, such as Shimano, FSA, and Gaint ATX770, ATX770-D, and XTC 750.
This CYSKY Bike Crank Arm Set is the perfect choice for anyone who wants to customize their bike with a stylish and lightweight accessory. With a range of compatible brands and adjustable width, this set is sure to fit most bikes. The set is easy to install and comes with all the necessary parts, making it the ideal choice for any bike owner.
2. Crank Puller Tool For Mtb/road Bikes W/square Taper & Isis/octalink.
The BIKE HAND Bicycle Crank Puller is the perfect tool for removing crank arms from a bottom bracket. This durable and heat-treated steel tool is designed to ensure that the thread is strong and does not damage the crank arms. It is suitable for both mountain and road bikes featuring either a square taper bottom bracket or splined ISIS drive.
To use the puller, a spanner (not included) is required and the removable head allows for a perfect fit for both ISIS and tapered type systems. A simple and straightforward video is available for reference, so you can easily remove the crank arms with the help of this tool.
The BIKE HAND Bicycle Crank Puller is made of high quality and heat treated hardened steel, making it long lasting and powerful. Its precise thread is incredibly strong and won’t damage the cranks, allowing it to be used with confidence.
We are so confident in the quality of this product that we offer a lifetime warranty. Our puller is also made in Taiwan, ensuring its quality and durability.
If you are looking for a reliable and durable tool for removing crank arms from a bottom bracket, then the BIKE HAND Bicycle Crank Puller is the perfect choice. It is designed to be easy to use and its strong thread will not damage the cranks. Order now and enjoy the peace of mind of our lifetime warranty.
3. Mountain Bike Bottom Bracket Shell 68/92mm, Fsa Sram, For Bikes.
This VGEBY Bike Bottom Bracket is a highly durable and reliable accessory for your bike. It is made from a combination of aluminum alloy and PP materials, making it solid and designed to last. It features a separate rubber gasket with a bilateral sliding characteristic that won't increase the resistance to the rotation axis. This accessory is compatible with numerous crank sets such as the Integrative Crankset, Prowheel, FSA Integrative Crankset, Sunrace, and SRAM Hollow Crankset (with a gasket ring). It also has an inside spring which ensures water and dust resistance, as well as a high precision sealing bearing.
This Bike Bottom Bracket is a great choice for anyone looking for a reliable and durable accessory for their bike. It is designed to fit cranksets with a diameter of 24mm and is suitable for many different types of bike. It is easy to install and you can be sure it will last for a long time.
If you have any problems with this product, you can take advantage of our 180 day warranty. We will replace it or refund your money for any reason. So you can buy with confidence, knowing that you are getting a reliable bottom bracket.
4. Bb Bottom Bracket For 1.37x24t Road/mtb, 68-73mm, Red
This VGEBY Bike Bottom Bracket is ideal for road and mountain bikes, with a 1.37x24T design and a 68‑73mm fit. It comes with a hollow bottom bracket kit and is built with a strong aluminum alloy material for high strength and light weight.
The bottom bracket is designed to provide exceptional performance. It has a gapless movement which prevents dust and moisture from entering, while the separable rubber gasket ensures no lubrication resistance. The groove sealing is strong, thanks to the newly designed end cover which also reduces the sealing resistance. Additionally, the aluminum alloy shaft bushing results in a direct crank power transmission, without plastic elasticity causing power loss and bearing damage.
This bike bottom bracket is easy to install and is suitable for a wide range of bikes. It features a waterproof design which guarantees a reliable performance, while the high strength and lightweight material ensures durability and a lightweight, comfortable ride. The design offers optimal performance and is an excellent choice for anyone looking for a reliable and efficient bike bottom bracket.
5. Hoypeyfiy Bb-Un26 Square Taper Bottom Bracket 68 * 123/127 / 110mm (Black 1pcs) (68 * 127)
This BB-UN26 Square Taper Bottom Bracket is a top-of-the-line product designed to provide exceptional durability and performance. Perfect for road and mountain bikes, this bottom bracket fits BB-UN26 68*123, 68*127, and 68*110mm Square Taper Bottom Brackets. The interface is a square taper and the shell size is 68 millimeters, with steel bearings for added strength and longevity.
This product is brand new and expertly packed to ensure safe delivery. The package includes one Square Taper Bottom Bracket for ease of installation. We offer the best customer service possible, so you can buy with confidence. If you have any questions about the product, our team is ready to help.
The BB-UN26 Square Taper Bottom Bracket is a great option for those looking to upgrade their bike. It is a reliable, high-quality product made to last. The steel bearings give you peace of mind, knowing that your bottom bracket will stand up to tough conditions. The square taper interface makes installation quick and easy so you can get back on the road or trail in no time. With its unbeatable durability and performance, this bottom bracket will keep your bike running smoothly for years to come.
6. 170mm Mtb/bmx/road Bicycle Crank Arm Set, 105 Bcd, Compatible W/ Shimano/fsa/giant.
The BNVB Bike Crank Arm Set is a great choice for riders who want more control over their bicycles. Made of high strength aluminum alloy, it is both durable and lightweight, weighing in at 675g/1.48Ib. The ergonomic design of the crank allows for greater control on the bike, while remaining lightweight. The BCD is 104mm/4.09in and the crank arm length is 170mm/6.69in. The crank related holes distance is 74mm/2.91in and the bottom bracket width is 68-73mm/2.67-2.87in.
This set is designed for compatibility with most mountain bikes and dirt bicycles. It is compatible with Shimano, FSA, Gaint ATX770, ATX770-D, and XTC 750. Installation is easy and the package includes a forged crank set, bottom bracket, 4 pcs single chainring bolts, crank screw, and crankset bolt allen wrench.
The BNVB Bike Crank Arm Set is the perfect choice for riders who want more control over their bicycles. It is lightweight yet incredibly strong and is designed for easy installation and compatibility with most mountain bikes and dirt bicycles. The package includes everything you need to get started, so get ready to hit the trails with the BNVB Bike Crank Arm Set.
7. Mountain Bike Crank Arm Set, 175mm, 104 Bcd W/ Bb Kit & Chainring Bolts. Compatible W/ Shimano, Fsa.
This Litetop Bike Crank Arm Set is the perfect choice for any mountain bike enthusiast looking for a lightweight, stylish, and reliable crank arm set. Made of durable aluminum alloy, these crank arms boast a flashy styling, high axial strength, and compatibility with a number of popular components.
The Bottom Bracket width is adjustable between 68-73mm, and the BCD is 104mm, with a crank arm length of 175mm and a crank related holes distance of 74mm. This makes it compatible with Shimano, FSA, Gaint ATX770 ATX770-D XTC 750 and more.
This crank arm set comes with a bottom bracket, 4 pcs single chainring bolts, crank screw, and crankset bolt allen wrench. Everything you need to get your bike cranking in no time.
For any mountain bike enthusiast, the Litetop Bike Crank Arm Set is the perfect choice. It is lightweight, stylish, and reliable, and compatible with a number of popular components. With its adjustable bottom bracket width, crank arm length, and included accessories, you can get your bike cranking in no time. So what are you waiting for? Get your bike cranking today with the Litetop Bike Crank Arm Set.
8. Bike Crank Arm Bolts 8mm Allen Key, 2 Pcs
This product is ideal for cyclists looking to upgrade their bike with a crank bolt set. The bolts fit square tapered bottom brackets and standard bb's, and come with a plastic seal so that no separate crank cap is needed.
The Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle (2 Pcs) are a great way to upgrade your bike and make sure it’s ready for your next ride. The bolts fit both square tapered bottom brackets and standard bb’s. The crank bolts come with a plastic seal that ensures that no separate crank cap is necessary.
The crank bolts are made of high-quality materials and are designed to last. They are specifically designed for bike use and have an 8mm allen key bolt screw. The bolts have an easy to use capless bottom bracket that makes installation quick and hassle-free.
The crank bolts are designed to be durable and resistant to wear and tear. They come with a plastic seal which ensures that the bolts are securely fastened and will remain securely in place. They also feature a corrosion resistant coating for added protection against the elements.
The Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle (2 Pcs) make it easy to upgrade your bike with a crank bolt set. The bolts are designed to fit square tapered bottom brackets and standard bb’s, and come with a plastic seal so that no separate crank cap is needed. They are made of high-quality materials and have a corrosion-resistant coating for added protection against the elements. The easy to use capless bottom bracket makes installation quick and hassle-free.
Best Bottom Bracket For Mountain Bike FAQs
Are all mountain bike bottom brackets universal?
No, not all mountain bike bottom brackets are universal. The type of bottom bracket used is based on the frame design. Generally, the type of bottom bracket that is used is determined by the type of crank arms that are being used. For example, certain bottom brackets are designed to be used with crank arms that have a square taper interface, while others are designed to be used with crank arms that have an external interface. Additionally, some mountain bike frames are designed for a specific type of bottom bracket, such as the PressFit bottom bracket or the BB30 bottom bracket, and these bottom brackets are not universal. Therefore, it is important to determine the type of bottom bracket that is compatible with your specific frame before purchasing one.
How do I know what bottom bracket I need for my bike?
The bottom bracket is one of the most important components of a bicycle as it is the interface between the crankset (chainset) and the frame. It is important to know what type of bottom bracket you need for your bike in order to ensure that your bike performs at its best.
The first step is to identify the type of frame and crankset you have. Most frames use either a threaded bottom bracket shell or a press-fit bottom bracket shell. Threaded shells require a threaded bottom bracket with cups that thread into the frame, while press-fit shells require a bottom bracket without cups that fits into the frame.
Once you have identified the type of bottom bracket you need, you can look for one that is compatible with your crankset. Most cranksets use either square taper, Octalink, ISIS, or Shimano Hollowtech II bottom brackets. Knowing the type of bottom bracket that your crankset uses will help you find the correct bottom bracket for your bike.
Finally, it is important to ensure that the bottom bracket you choose is compatible with your frame. Different bottom bracket standards have different widths and depths, so be sure to check that the bottom bracket you choose is suitable for your frame before purchasing.
What does a bottom bracket do on a mountain bike?
A bottom bracket on a mountain bike is the cylindrical component that connects the crank arms to the frame. It includes the bearings, spindle, and any necessary spacers needed to mount the crankset. Its main purpose is to provide a stable platform for the crankset to rotate freely, while also providing a secure connection between the frame and the crankset. It also helps ensure that the chainline remains in alignment, which is essential for proper shifting performance. Additionally, the bottom bracket helps keep the chain from slipping off the chainrings, and it helps absorb shock from bumps and obstacles that are encountered on the trail.
What size bottom bracket do I need for my mountain bike?
The size of the bottom bracket you need for your mountain bike will depend on the type of crank you have and the shell width of the frame. For a typical mountain bike, the shell width is 68mm or 73mm and the most common cranks are square taper, Shimano Octalink, or external bearing. If you have a square taper crank, you will need a 68mm or 73mm square taper bottom bracket. If you have a Shimano Octalink crank, you need a 68mm or 73mm Octalink bottom bracket. If you have an external bearing crank, you need a 68mm or 73mm external bearing bottom bracket. Additionally, you will need to make sure you get the correct spindle length for your crank. If you are unsure of what type of bottom bracket you need, it is best to consult a professional bike mechanic or take your bike to a local bike shop for assistance.
