Best Shimano products in the Bottom brackets category

On this page you'll find a ranking of the best Shimano products in this category. To give you a quick overview, we've already ranked the most important information about the products for you.

1. Shimano BB-UN300

The Shimano BB-UN300 is a high-quality bottom bracket designed for reliable performance and durability. It is a square taper bottom bracket compatible with BSA shells, making it ideal for various bicycle frames. With a shell width of 68 mm and an axle length of 117.5 mm, it offers an optimal fit and stability. The bottom bracket is made from robust aluminum, which not only reduces weight but also enhances durability. The threaded bearing cups ensure easy installation and maintenance. This product is an excellent choice for cyclists who value quality and performance.

- Compatible with BSA frames for versatile applications
- Lightweight aluminum material for improved performance
- Easy installation thanks to threaded bearing cups
- Optimal stability with a precise axle length of 117.5 mm.
 

2. Shimano Ultegra SM-BB92B

Inner bearing for insert mounting. The bottom bearing axle is guided in a stable manner by the wide bearings. It can be used with all Hollowtech II and all 2-piece cranksets. 

3. Shimano Drive unit SG-8R36

The Shimano SG-8R36 drive unit is specially designed for urban cycling enthusiasts, combining performance and versatility. This essential component ensures smooth and efficient operation, allowing cyclists to navigate easily through urban environments, whether for daily commutes or leisurely rides.

It is part of the Shimano range of spare parts, known for its technical ingenuity and durability. The use of high-quality materials ensures increased resistance to the challenges of urban routes and varying weather conditions. This drive unit stands out not only for its robust design but also for its ability to provide a pleasant and effortless riding experience thanks to smooth shifting.

Key features of the Shimano SG-8R36 drive unit include:

- Durability: Made with high-quality materials, it is designed to withstand the challenges of urban cycling.
- Transmission efficiency: Allows for quick and effective gear changes, suited to the frequent stops of city trips.
- Ease of installation: Simple to install, this unit is compatible with a wide range of urban bikes.
- Reduction of effort: Optimizes power transfer, making it easier to pedal over long distances.

The ergonomic design of the Shimano SG-8R36 drive unit promotes hassle-free use. Whether you're a casual cyclist or a fan of long city excursions, this drive unit is designed to meet your needs and ensure optimal performance.

Choosing the Shimano SG-8R36 drive unit is opting for an essential part that will enhance your urban cycling experience. It will allow you to fully enjoy every ride while ensuring comfort and efficiency, making every outing more enjoyable.
 

4. Shimano SM-BB52 Hollowtech II

The SM-BB52 Hollowtech II bottom bracket from Shimano is a high-quality component designed to enhance pedaling performance and efficiency while cycling. It is specifically designed for use with BSA frames and features excellent sealing that extends the lifespan of the bearing and minimizes maintenance. With a spindle diameter of 24 mm, this bottom bracket is ideal for various mountain bike and road applications. The threaded bearing cups ensure a stable and reliable installation, while the lightweight design at 0.28 kg supports the overall performance of the bike. Made in France, the SM-BB52 Hollowtech II combines quality and functionality to meet the demands of discerning cyclists.

- Improved sealing for higher pedaling performance
- Compatible with 24 mm spindles
- Threaded bearing cups for stable installation.
 

5. Shimano BBRS501

The Shimano Tiagra bottom bracket features a new seal design that maximizes its lifespan.

6. Shimano BB-ES300 bottom bracket Octalink BSA 73 mm

The BB-ES300 bottom bracket from Shimano is a high-quality component that ensures efficient power transfer while cycling. With a shell width of 73 mm and an axle length of 113 mm, it is specifically designed for BSA frames. The robust construction with reinforcement ribs guarantees high stability and durability, while the lightweight design of just 26 grams enhances the overall performance of the bike. The Octalink system allows for a precise and reliable connection between the crank and the bottom bracket, making installation and maintenance easier. This bottom bracket is ideal for cyclists who value quality and efficiency.

- Stiff and lightweight for efficient power transfer
- Robust construction with reinforcement ribs
- Quick and precise installation
- Compatible with Octalink system.
 

7. Shimano Bearing shell right BB-MT800 BSA

8. Shimano AXLE UNIT F.RD-M9100

9. Shimano Press Fit SM-BB71-41A

The quality of Shimano original parts is convincing. Every part is extensively tested and checked. Shimano's internal requirements are often higher than those of industry standards and norms. This ensures safety and reliability. The segmentation into groups clearly divides the performance according to the top-down principle. This clearly defines the respective Shimano performance level. Only original Shimano parts fit perfectly with Shimano components. The optimal fit makes replacement easier and meets the highest demands in all respects. 

10. Shimano Bearing cup left FC-9000 ITA M36x 24 mm