Shimano Ultegra Road BSA 68mm Bottom Bracket

The Shimano Ultegra SM-BBR60 bottom bracket screws into a 68 mm BSA shell and is designed for those using a road Hollowtech II crankset with a 24 mm axle.

• Fits a 68 mm BSA shell, the most common threaded standard
• Weighs just 77 g, making it lightweight for a road bike
• Steel bearings in aluminum cups, durable and lightweight
• Suitable for a 24 mm Hollowtech II axle, compatible with many Ultegra, 105, and GRX cranksets
• Check your crankset model in the compatibility list before ordering

Technical specifications

• Model: SM-BBR60 (BSA 68 mm, code I-SMBBR60B)
• Material: Aluminum bearing cups; steel bearings
• Weight: 77 g
• Shell width: 68 mm (BSA)
• Axle: 24 mm (Hollowtech II)
• Compatibility: Ultegra FC-R8100, FC-R8100-P, FC-R8000, FC-6800; 105 FC-R7100, FC-R7000, FC-5800; Metrea FC-U5000; GRX FC-RX820, FC-RX810; FC-CX70
• Package contents: 1 right cup with bearings; 1 left cup with bearings; 1 center sleeve
• Color: Black