SHIMANO Bottom Brackets (HOLLOWTECH II) BB-RS501 HOLLOWTECH II BSA

Shimano HOLLOWTECH II BB-RS501 BSA Bottom Bracket

The Shimano BB-RS501 bottom bracket is a BSA threaded (68 mm) model designed for HOLLOWTECH II cranksets. Replacing the BB-RS500 , it benefits from a new seal construction to offer long-lasting performance and improved sealing . Ideal for road and gravel riding, it ensures smooth rotation and excellent power transfer.

The strong points

• HOLLOWTECH II system : optimal rigidity and better pedaling efficiency.
• BSA thread (68 mm) : simple and durable assembly.
• New seal system : better protection against dust and humidity.
• Long-lasting performance for regular and intensive use.
• Smooth rotation and reduced maintenance.

Compatibility

Compatible with BSA threaded bottom bracket frames (68mm) and Shimano HOLLOWTECH II cranksets. It is a direct replacement for the Shimano BB-RS500 model.

Technical characteristics

• Brand: Shimano
• Range: Tiagra / Road
• Product reference: EBBRS501B
• Standard: BSA (threaded)
• Case width: 68 mm (BSA)
• Type: HOLLOWTECH II Bottom Bracket
• Packaging: Individually wrapped
• EAN code: 4550170640613
• UPC Code: 192790640617

The Shimano BB-RS501 is the ideal choice for reliable road mounting , with extended life and enhanced sealing , even in demanding conditions.