Blackbearing B5 R4-2RS Bearing 6.35x15.875x4.98 mm

The Blackbearing B5 R4-2RS Bearing 6.35x15.875x4.98mm is designed to deliver enhanced reliability and fluidity for cycling applications. Built to handle the stresses of varied road conditions, it offers long-lasting smoothness and dependable performance for everyday riders.

OEM-Compatible Design: Commonly used as original equipment on many bicycles, this bearing serves as a perfect 100% replacement for your existing setup. Its precise dimensions and high manufacturing standards ensure seamless compatibility and effortless installation.

High-Grade Chrome Steel Construction: Made from SAE52100 chrome steel, the balls and rings provide excellent hardness, wear resistance and strength. The chrome steel cage maintains structural stability, ensuring consistent rotation under demanding use.

Sealed for Protection and Longevity: Equipped with double “2RS” seals, the bearing effectively prevents water, dust and debris from entering. This protection helps retain lubrication, extending service life and maintaining smooth rotation over time.

Pre-lubricated with premium-quality grease, the B5 R4-2RS Bearing guarantees reduced friction and effortless rolling. Designed and assembled with precision, it combines reliability, durability and efficiency for riders who value consistent performance.

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.