Shimano BB-RS500-PB

The Shimano BB-RS500-PB is a press-fit bottom bracket designed for road, gravel, and city bikes. It allows the installation of Shimano Hollowtech II cranksets with a 24mm axle in frames featuring a bottom bracket shell width of 86.5mm and an internal diameter of 41mm.

• Type: Press Fit BB86
• Shell Diameter: 41mm
• Shell Width: 86.5mm
• Axle Compatibility: 24 mm (Hollowtech II)
• Bearings: Sealed steel bearings for durability.
• Material: Cups made from fibre-reinforced polymer to reduce the risk of frame noise and damage.
• The fibre-reinforced polymer cups help minimise frame noise and potential damage.
• Weight: Approximately 70.4 grams

Compatibility

The BB-RS500-PB is recommended for use with Shimano’s GRX, Tiagra, Sora, and Claris series crank sets, including models such as:

• GRX FC-RX610, FC-RX600
• Tiagra FC-4700, FC-4703
• Sora FC-R3030, FC-R3000
• Claris FC-R2030, FC-R2000
• FC-RS520, FC-RS510, FC-RS400