10 Best Bottom Bracket Mountain Bikes [2025]
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When it comes to mountain biking, the bottom bracket plays a crucial role in performance and stability. The best bottom bracket mountain bikes are designed to enhance your riding experience, offering durability and smooth power transfer. In this article, we’ll explore the top 10 bottom bracket mountain bikes available in the market today, helping you make an informed choice for your next adventure.
Top 10 Bottom Bracket Mountain Bikes in the Market
Best Bottom Bracket Mountain Bikes Review
SaleBestseller No. 1
Hoypeyfiy Bike Bottom Bracket Mountain Bike Square-Taper Bottom Bracket Bicycles...
- Different sizes: We provide different types of bottom brackets, 68x113mm, 68x115mm, 68x118mm, 68x124mm, 68x126mm, you can choose from them to meet your different needs
- Simple to install: The bottom bracket is suitable for square-taper crankset and is convenient to install and remove
- Strong structure: Mainly made of tough steel, the bottom bracket is durable, robust, wear-resistant and not easy to break
- Well crafted: The bottom bracket features fine workmanship and has 110mm spindle length and is reliable and can provide good performance
- Nice replacement: The bottom bracket is an important part in a mountain bike, you can use our well crafted bottom bracket o replace the worn or damaged one
Bestseller No. 2
CDHPOWER Bicycle Bottom Bracket Crank Axle Set, Bottom Bracket Axle Square Taper...
- Bicycle Bottom Bracket Crank Axle Set fit for most of normal bike, four sizes for choice, Square tape axles marked 5S/3S/3P/3T, perfect for a wide range of mountain bikes.
- 100% brand new, produce from high quality steel which is more durable and practical use.
- 5S whole length: 146.5mm, 3S whole length: 144.5mm, 3P whole length: 139mm, 3T whole length: 146mm.
- Package include: 1pc Axle Stick, 2pcs Screws, 1pc Ring, 2pcs Bowls and 2pcs Ball bearing retainers.
- Please measure your bicycle’s bottom bracket axle size before buying it. Any more information needed, please contact with us.
SaleBestseller No. 3
HZBIKE BB52 Bottom Bracket Compatible with Shimano Mountain Bicycle Bottom...
- Both in terms of sealing, smoothness and durability are more than the traditional shaft.
- This Bottom Bracket is well lubricated, high hardness, good wear resistance, no noise in the centre axis.
- Shock-resistant deep groove bearings, waterproof, dustproof.
- The centre axle is equipped with 3 washers, five-way frame 68mm, 1 left pad, 2 right pads, five-way frame 73mm does not need a washer.
- Applicable models-mountain bike, folding bike, touring bike.
Bestseller No. 4
BUCKLOS Bike Square Taper Bottom Bracket - 68/80/90/100/110/120x110.5 113 116...
- 【Long Service Life】Bucklos bottom bracket is made of high-quality materials, sturdy and durable, with minimal maintenance
- 【Widely Compatible】Compatible with 68/80/90/100/110/120mm BSA bike thread bottom. The recommended size is for reference only, please purchase according to the original size, and please use BB tools to install and replace the bottom bracket
- 【CNC Precision Thread】CNC precision thread, finely crafted& easy to install. Can connect bicycles well and reduce energy loss
- 【Integrated System】The integrated system of this square taper bottom bracket can protect the frame, provide stronger power output, and has better quality and lighter weight compared to ordinary bottom brackets, making it a good accessory for bicycles
- 【Super-Accurate Bearings】Sealed bearings provide smooth operation and no noise during long-term cycling. Comes with two waterproof and dustproof hex screws to improve service life
Bestseller No. 5
KIEVODE 2 PCS Bike 8mm Hex Crank Arm Fixing Bolts with Caps - Capless Bottom...
- VERSATILE COMPATIBILITY: The crank fixing bolts are designed to fit both square tapered bottom brackets and standard BB's, making them versatile and suitable for a range of bicycles.
- PRECISE SPECIFICATIONS: With an M8 (8mm) thread that is 18mm long and a 20mm diameter end cap, these bolts are manufactured to the highest standards.
- DUST CAP: The crank fixing bolts come with an integrated plastic dust cap that seals the bolt, eliminating the need for a separate crank cap. The seal effectively protects the bolt from water, sand, and soil damage, ensuring long-lasting use.
- EASY INSTALLATION: To ensure proper installation, use a metric 8mm allen head.
- DURABLE AND LONG-LASTING: The crank fixing bolts are made of high-strength steel, making them durable and long-lasting. The bolts are coated with blue anti-skid adhesive to prevent loosening during use.
Bestseller No. 6
BNVB Bike Crank Arm Set， 170mm 105 BCD Mountain Bike Crank Set with Bottom...
- 【Ultra-light Material】：Made of high strength Aluminum Alloy, Non-slip &Durable,Weight is approx 675g/1.48Ib.
- 【Professional Design】Ergonomic structure,Super lightweight and incredibly strong.Best choice for riders who want more control on their bicycles.
- 【Size】BCD: 104mm/4.09in. Crank Arm length: 170mm/6.69in, Crank related holes distance: 74mm/2.91in.Bottom Bracket Width: 68-73mm/2.67-2.87in.
- 【Easy Installation and compatibility.】 Compatible with most mountain bikes and dirt bicycles.Including not confined to Shimano, FSA, Gaint ATX770 ATX770-D XTC 750.
- 【Package Include】 One Fordged Crank Set, Bottom Bracket, 4 pcs Single Chainring Bolts, Crank screw, Crankset bolt Allen Wrench.
Bestseller No. 7
GANOPPER 38T Single Speed Crankset for MTB Crank Arm Set 170mm with Mountain...
- Material: Alloy 6061 MTB Bike Crank .7075 Alloy Aluminum 38T Narrow Wide Chain ring,rainbow plating chainring bolts
- Chain Ring Size: 38T,Shape:Crown. Chainring Weight: 71.5g(0.15 lbs) ,Fit for 9 Speed,10 Speed,11 Speed Mountain Bike crank set,Easy to refit 30T,32T,34T 1x MTB Crankset , Road Bike Crank Set etc.,
- PCD: 104 BCD .Crank Arm Length: 170mm .Color: Matte Black . Compatible with 9/16 inch pedals;
- Bottom Bracket: Cups-1.37*24T/68mm~73mm,Compatible with: Shimano, FSA, Gaint ATX770 ATX770-D XTC 750 etc.,
- Package Includes:1 x one fordged crank Arm set,1 x Hollowtech 2 Bottom Bracket,1 x 38T Single Chainring,4 x Chainring bolts(set),1 x M18 crank screw,1 x Crankset bolt Allen Wrench
Bestseller No. 8
Zreneyfex Square Taper JIS Bottom Bracket 68 X110mm/123mm/127mm for Mountain...
- Replacement for BB-UN26 68*123, 68*127, 68*110mm Square Taper Bottom Bracket.
- Interface: Square Taper, Shell Size: 68 mm, Bearings: Steel
- Package Includes 1pcs Square Taper Bottom Bracket.
- Accurate bearings promote smooth operation and longer use
- Easy Installation: All necessary parts are included, allowing for a straightforward replacement process
Bestseller No. 9
Oumers Bike Crank Extractor and Bottom Bracket Remover With 16mm Spanner Wrench...
- Fit for any brand type bottom bracket, durable and long lasting
- The crank extractor is used to remove square type crank arms, all you need is either a 58 or 16mm spanner or just an adjustable spanner. Also suitable for standard square tapers
- Bike Bottom Bracket Remover can be used with either a 24mm socket, wrench or an adjustable spanner
- This bicycle crank puller tool suitable for any 20 teeth splined type bottom bracket - generally the type used for any bike with a suntour, shimano, truvativ chainset
- Package include: (Bike crank repair tool kit) Upgrade crank extractor, bottom bracket remover and 16mm spanner
Bestseller No. 10
Dilwe Bottom Bracket, Mountain Road 68?73mm Aluminum Alloy BB Bottom Bracket...
- Preminum Material: bottom bracket is made of preminum quality aluminum alloy and nylon material, and with excellent craftsmanship, which is has higher metal strength, while maintaining the characteristics of lightness, high strength and light weight of aluminum alloy material.
- Preminum Material: bottom bracket is made of preminum quality aluminum alloy and nylon material, and with excellent craftsmanship, which is has higher metal strength, while maintaining the characteristics of lightness, high strength and light weight of aluminum alloy material.
- Reasonable Design: sealing is strong, and the newly designed end cover greatly improves the sealing performance of the drainage, while reducing the sealing resistance, and the appearance is more high‑end. And it brings you much convenience.
- Suitable For: There is no to lubrication, the separable rubber gasket has the characteristics of double‑side sliding, which will not increase the to the rotation bearing, and the lubrication is high. And it is suitable for Mountain / Road / Fixed Gear / Folding Bike.
- Great Performance: Effective waterproofness, the separable rubber gasket can withstand the sliding gap, resulting in a gapless movement, preventing dust and from bearing, and has good waterproofness. And it provides you better experience.
Before You Go
Choosing one of the best bottom bracket mountain bikes can significantly improve your riding experience. With the right bike, you’ll enjoy better handling, increased efficiency, and enhanced comfort on the trails. Whether you’re a beginner or an experienced rider, selecting from our list will ensure you find a bike that meets your needs.
