Shimano BB RS500 press-fit bottom bracket bearings Only genuine Shimano wear parts are precisely matched to Shimano components. Not only is price guaranteed, but also quality. Shimano parts combine precise fit, safety, and durability, as they consistently meet the strictest quality requirements. To achieve optimal performance, the entire Shimano component group (system) must always be matched so that the individual components work perfectly together. To ensure system performance meets original standards, only genuine Shimano parts should be used when replacing worn parts. Manufacturer: Shimano Group: Tiagra / Sora Model: BB RS500 Type: Press Fit Bottom bracket shell width: 86mm Bowl diameter: 41mm Bearing Housing: Resin The price includes 2 bearings (left and right) and a connecting sleeve Catalog weight: 70.4g