- The bottom bracket is a component that usually does its job without making a fuss, and Shimano knows how indispensable it is to your drivetrain, which is why they ensure smooth bearings, advanced sealing, and high manufacturing tolerances. With the Ultegra SM-BB72-41B PressFit Bottom Bracket, you're able to press this component right into the frame, working with the Shimano HollowTech crankset and any frame equipped with a BB86 bottom bracket shell. Two steel cartridge bearings are featured with this bottom bracket, and they are pressed into composite cups which increase the outside diameter to 41mm to match the frame's bottom bracket shell. A 1.75mm thick outer-lip provides a positive stop for the cups when they're pressed into place.
- Features :
- - Bottom bracket with small ball bearings for lightweight
- - Advanced seal construction for smoother rotation
- - Dura-Ace proven four-arm design with similar stiffness
- - 14g lighter than the SM-BB6700 but maintains the same durability
- - Weighs in at 69 grams for optimal lightness
SHIMANO IS THE MOST TRUSTED BRAND TO CHOOSE YOUR VALUABLE COMPONENTS IN THE WORLD OF CYCLING!
ABOUT Shimano Bottom Bracket SM-BB72-41 Ultegra Press Fit
- The Shimano Ultegra bottom bracket comes with reliable bearings and seals that lead to long service life. The 69gm of the bottom bracket reduces its weight and thereby increases the power transfer efficiency. This bottom bracket is proven as similar to Dura-ace bottom bracket which has the same lightweight quality and stiffness that lead to the increase in stability.
- BB SM-BB72-41 is 14gm lighter than SM-BB6700 and also delivers less friction with more durability. This bottom bracket is compatible with the ratios such as 53-39T/52-36T/50-34T/46-36T. Press-Fit technology meets the customer needs in the best possible way, Shimano has developed the press-fit bottom bracket, staying focused on their final goal: total performance in pedaling. The bottom bracket axle is steadily supported by the wide placed bearings based on HOLLOWTECH II technologies providing highly efficient power transfer.
- Shimano is a Japanese multinational manufacturer of cycling components. Its products include drivetrain, brake, wheel, and pedal components for road, mountain, track, and hybrid bikes. At Shimano, they strive for the very best. That’s why they have been passionate about technology from the very beginning.
- Through technological innovations, they had created products that verge on perfection, products that offer you greater efficiency, increased durability, better ease of use, and ultimate comfort. All Shimano staff - whether in R&D, production, or quality control - go to great lengths to develop cutting-edge equipment that is lightweight yet sturdy, fast, and reliable. Their passion for technology inspires them to push the boundaries of what is thought possible.
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