Here's a quick overview of our return and refund policy: 7-Day Return Window : You can initiate a return within 7 days of receiving your product. Eligibility : Items must be unused, in original condition, with all tags and packaging. Only select items like apparel (helmets, jerseys, gloves, etc.) are eligible. Non-Returnable Items : Wetsuits and items discounted over 5% are not eligible for returns. Compatibility Issues : Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. If you're unsure, please contact us before ordering. Shipping & Processing : Return shipping is to be arranged by the customer. No pickups available. Refund Options : Choose between exchange, store credit, or monetary refund (after deductions for shipping and transaction fees). Order Cancellations : Only possible before the order is processed. For full details, visit our Return & Refund Policy page.

Shimano Tiagra BB-RS501 Hollowtech II Threaded Bottom Bracket

EBBRS501B

₹1,250

Threaded

Reliable Hollowtech II Bottom Bracket for Smooth, Efficient Power Transfer

Description

The Shimano Tiagra BB-RS501 bottom bracket is designed for use with Hollowtech II cranksets and standard threaded BSA frames. It fits 68mm and 70mm shell widths, making it compatible with a wide range of road bikes.

Improved Sealing for Longevity: Engineered with Shimano’s new seal construction, this bottom bracket is built to reduce water and dirt ingress. The enhanced sealing helps maintain smooth rotation over time, minimizing wear and increasing durability.

Optimized for Performance and Efficiency: The BB-RS501 offers a stiff and stable platform for the crankset, enabling efficient power transfer with every pedal stroke. It ensures a secure fit and optimal bearing alignment to reduce energy loss.

Trusted Hollowtech II Design: Shimano’s Hollowtech II system integrates the bottom bracket and crank arm to provide a lightweight and high-performance interface. This bottom bracket delivers on that promise with easy installation and low maintenance.

Whether you're upgrading or replacing a worn-out part, the BB-RS501 is a dependable choice for road cyclists looking for value, reliability and smooth operation in all conditions.

Features

Hollowtech II Technology: Lightweight and stiff design enhances power transfer and pedaling responsiveness.
Wide Shell Compatibility: Fits both 68mm and 70mm threaded bottom bracket shells for versatile use.
Improved Sealing: New high-precision seal keeps out contaminants for longer-lasting performance.
Threaded BSA Design: Ensures easy installation, secure fitment and creak-free operation.
Optimized Bearing Placement: Outboard bearing system improves stability and load distribution.

Technology

Hollowtech II: Integrates the axle with the crankarm for greater stiffness, weight savings, and more efficient power transfer. The outboard bearing design improves stability and load distribution by positioning the bearings outside the shell. The 24mm axle diameter provides optimal balance between weight, rigidity, and smooth rotation.

Specifications

Model No: BB-RS501
Series: Shimano
Color: Series Color
Average Weight: 93 g
Hollowtech II Bottom Bracket|Threaded Bottom Bracket Type: Yes
Threaded Bottom Bracket Shell Width (mm)|68: Yes
Threaded Bottom Bracket Shell Width (mm)|70: Yes

Shimano Warranty Information

Shipping Policy

We ship across India with free shipping on orders above ₹2,000 (₹99 for orders below ₹2,000). Cash on Delivery is available up to ₹20,000, with additional COD fees based on order value. Orders typically arrive within 3–6 working days, though delays may occur.

Note: Most Shimano products may take longer to ship. View full shipping policy

Returns & Refunds

Here's a quick overview of our return and refund policy:

7-Day Return Window: You can initiate a return within 7 days of receiving your product.
Eligibility: Items must be unused, in original condition, with all tags and packaging. Only select items like apparel (helmets, jerseys, gloves, etc.) are eligible.
Non-Returnable Items: Wetsuits and items discounted over 5% are not eligible for returns.
Compatibility Issues: Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. If you're unsure, please contact us before ordering.
Shipping & Processing: Return shipping is to be arranged by the customer. No pickups available.
Refund Options: Choose between exchange, store credit, or monetary refund (after deductions for shipping and transaction fees).
Order Cancellations: Only possible before the order is processed.

For full details, visit our Return & Refund Policy page.