Shimano BB-RS501 Hollowtech II bottom bracket

SHIMANO BB-RS501 Hollowtech II Bottom Bracket

Elevate your road cycling performance with the SHIMANO BB-RS501 Hollowtech II Bottom Bracket, the cornerstone of an efficient and reliable drivetrain. Engineered for the demands of road cycling, this essential component ensures that every watt of power you produce is transferred directly to the road. Experience a significant upgrade in rotational smoothness and long-lasting durability, allowing you to focus on the ride ahead, whether you´re tackling a steep climb, sprinting for the finish line, or enjoying a long-distance tour.

The BB-RS501 is designed with Shimano´s proven Hollowtech II technology, which integrates the bottom bracket axle with the right crankarm for increased stiffness and reduced weight—a combination that delivers superior pedaling efficiency. The outboard bearing placement further enhances this rigidity and provides excellent stability, ensuring a solid, flex-free platform for maximum power transfer. This means less wasted energy and a more responsive feel with every pedal stroke.

One of the standout benefits of the BB-RS501 is its exceptional durability. Shimano has incorporated an improved seal structure, providing advanced protection against the elements. This robust sealing system effectively keeps out dirt, water, and grime, preserving the high-quality bearings within and ensuring silky-smooth operation for thousands of miles. This translates to less maintenance, greater reliability, and consistent performance ride after ride. It´s the perfect choice for cyclists seeking a dependable, set-and-forget component that performs flawlessly in all conditions.

Key Benefits:

* Enhanced Power Transfer: The Hollowtech II design with a 24mm axle and outboard bearings provides exceptional stiffness, minimizing energy loss and maximizing your pedaling output.
* Silky-Smooth Rotation: High-quality precision bearings reduce friction, offering a noticeably smoother and more efficient pedaling experience.
* Long-Lasting Durability: An improved seal design offers superior protection against contaminants like water and dirt, significantly extending the lifespan of the bearings and maintaining peak performance.
* Lightweight and Stable: The integrated axle and crankset design reduces overall weight while the outboard bearings create a stable, reliable platform for high-performance road cycling.

Main Features:

* Hollowtech II Technology: Features a 24mm diameter axle and outboard bearings for an optimal balance of stiffness, strength, weight, and rotational performance.
* Advanced Sealing System: A refined seal structure ensures long-term protection and smooth operation, reducing the need for frequent maintenance.
* Threaded Design: Utilizes a reliable and widely compatible threaded interface (BSA), known for its secure fit and creak-free performance when properly installed.
* Road Cycling Specific: Engineered and optimized for the specific demands of road bikes, providing the performance and reliability needed for training, racing, and endurance riding.
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Brand:- SHIMANO.

Product name:- BB-RS501 Hollowtech II bottom bracket.

Specifications:
-SHIMANO Bottom Bracket ´´SM-BBRS501´´SB-packed, for Hollowtech II cranks, hollow axleFor Road, with scarves and ball rings.

Technical Specifications:

* Model: BB-RS501
* Series: Compatible with SHIMANO TIAGRA, SORA, and other Hollowtech II road cranksets
* Application: Road Cycling
* Technology: Hollowtech II
* Axle Interface Diameter: 24 mm
* Shell Type: Threaded (BSA / English)
* Threaded Shell Width: 68 mm
* Bearing Type: High-Quality Sealed Cartridge
* Installation: For use with Hollowtech II road cranksets
* Includes: Left and right-hand threaded cups with integrated sealed bearings