Shimano Tiagra BB-RS500 Hollowtech II Bottom Bracket

The SHIMANO TIAGRA bottom bracket uses a new seal construction for long-lasting performance.The Shimano BB-RS500 bottom bracket is recommended for Hollowtech II compatible cranks with 24 mm axles from the Tiagra, Sora and GRX series as well as many other groupless models. Depending on the version, it fits on road frames with BSA bottom bracket threads and 68 mm shell width or in frames with ITA bottom brackets and 70 mm shell width. BB-RS500 impresses with its durability and improved seal design.

• Application: Road, Cyclocross, City, Gravel
• Type: BSA
• Shell Width: 68 mm
• Axle Diameter: 24 mm (Hollowtech II) 
• Bearings: Steel
• Bottom Bracket Cup Material: aluminium
• anodised bearing cups
• long-lasting performance
• improved seal design

Compatibility:

• Recommended for:
• Tiagra FC-4700, FC-4703
• Sora FC-3550, FC-3503, FC-R3030, FC-R3000
• Claris FC-R2000, FC-R2030
• GRX FC-RX600
• FC-RS510, FC-RS500, FC-RS400
• FC-R563, FC-R460, FC-R350
• FC-CX50