Shimano Ultegra SM-BB7241B Press-fit 86.5mm road bike bottom bracket

Optimise the performance of your road bike with the Shimano Ultegra SM-BB7241B Press-Fit 86.5 mm bottom bracket, designed to deliver smooth, reliable and durable power transmission. Designed for demanding cyclists, this bottom bracket integrates perfectly with Press-Fit compatible frames, guaranteeing optimum performance with every pedal stroke.

Thanks to its 86.5 mm Press-Fit system, this model ensures precise assembly and greater bottom bracket rigidity, reducing energy loss. High-quality bearings from Shimano ensure smooth rotation and excellent wear resistance, even during intensive use on the road.

Part of the Ultegra range, renowned for its balance between performance and durability, this bottom bracket is ideal for both regular cyclists and competitors looking to improve their drivetrain without compromise.

Key features:

• 86.5 mm Press-Fit frame compatibility
• High-performance bearings for smooth rotation
• Excellent rigidity for better power transfer
• Reliability and longevity Shimano
• Ideal for high-end road bikes

Technical specifications :

• Model: SM-BB7241B
• Type : Press-Fit
• Casing width : 86.5 mm
• Use : Road bike
• Group : Ultegra

FAQ - Bottom bracket Shimano Ultegra SM-BB7241B

Is this bottom bracket compatible with all road bikes?

No, it is only compatible with frames with a Press-Fit 86.5 mm standard. Please check the compatibility of your frame before purchasing.

What is the difference between Press-Fit and threaded?

The Press-Fit system fits directly into the frame without threading, offering weight savings and greater rigidity, unlike traditional threaded housings.

Is it compatible with all Shimano cranksets?

It is designed to work with Shimano road cranksets with integrated axles (Hollowtech II). Always check compatibility with your crankset.

Is it a good choice for racing?

Yes, this Ultegra model offers an excellent compromise between performance, weight and durability, ideal for sporting and competitive use.

Do I need a special tool for installation?

Yes, installation requires a pressing tool adapted to Press-Fit housings to avoid damaging the frame or bearings.

How long do the bearings last?

With regular maintenance, the bearings offer excellent longevity, even under intensive use on the road.