Shimano BB-RS500-PB GRX Bottom Bracket – Press Fit, Hollowtech II, 86.5 mm Shell Width

The Shimano BB-RS500-PB Press Fit bottom bracket is designed for GRX, Tiagra, Sora, and Claris series drivetrains. It allows seamless installation of Hollowtech II or 2-piece cranks with a 24 mm axle into road, gravel, or city frames with an 86.5 mm bottom bracket width and 41 mm shell diameter. Engineered with durable synthetic materials and black bearing cups, it ensures smooth, reliable performance while minimizing maintenance.

Key Features:

• Hollowtech II Compatible: Fits 24 mm axles for optimal stiffness and efficiency.

• Press-Fit Installation: Designed for BB86 road, gravel, and city frames.

• Durable Construction: Synthetic body with black bearing cups for long-lasting performance.

• Versatile Compatibility: Recommended for Shimano GRX, Tiagra, Sora, and Claris series.

Specifications:

• Shell Diameter: 41 mm

• Shell Width: 86.5 mm

• Axle Diameter: 24 mm (Hollowtech II)

• Type: Press Fit BB86

• Application: Road, Gravel, City

• Size: Standard