Shimano BB-RS500-PB GRX Press-Fit Bottom Bracket

Upgrade your drivetrain with the Shimano BB-RS500-PB Press-Fit Bottom Bracket, designed for Shimano HOLLOWTECH II crankset systems. Its press-fit design provides a clean and secure installation in compatible frames while supporting smooth and consistent crank rotation.

The BB-RS500-PB features a resin adapter construction and is designed for an 86.5 mm press-fit bottom bracket shell. With an approximate weight of 71 g, it offers a lightweight solution for compatible road and gravel bicycle builds.

The bottom bracket is listed by Shimano as a recommended press-fit bottom bracket for compatible HOLLOWTECH II crankset applications, including certain GRX configurations.

Key Features

• Genuine Shimano HOLLOWTECH II bottom bracket
• Press-fit bottom bracket design
• Compatible with selected Shimano cranksets
• Designed for 86.5 mm press-fit BB shells
• Resin adapter construction
• Approx. 71 g average weight
• Suitable for compatible road and gravel bike applications
• Shimano engineering for dependable drivetrain performance

Compatibility

The BB-RS500-PB is intended for compatible Shimano HOLLOWTECH II cranksets using an 86.5 mm press-fit bottom bracket shell. Shimano compatibility documentation lists it for selected Shimano road, gravel and other HOLLOWTECH II crankset applications. Always verify the crankset and frame specifications before installation.

Why Choose Shimano BB-RS500-PB?

The Shimano BB-RS500-PB is a practical replacement bottom bracket for riders and mechanics looking for a Shimano HOLLOWTECH II press-fit BB. Its lightweight resin adapter and press-fit construction make it suitable for compatible road and gravel bicycle setups.