Shimano Road Tiagra RS501 BSA 68mm Bottom Bracket Silver

The Shimano Tiagra BB-RS501 bottom bracket is for those installing a crankset with a 24 mm Hollowtech II axle on a frame with a 68 mm BSA bottom bracket shell. It is suitable for road, cyclocross, gravel and city bikes.

• Screws into shells with BSA threading and a width of 68 mm
• Compatible with cranksets with 24 mm Hollowtech II axles
• Lightweight: weighs just 93 g in the BSA version
• Anodised aluminium cups and steel bearings for smooth pedalling
• Before ordering, check that your crankset is included in the list of compatible models

Technical specifications

• Model: BB-RS501
• Shell threading: BSA (BC 1.37)
• Shell width: 68 mm
• Crank axle: 24 mm (Hollowtech II)
• Bearings: Steel
• Cups: Anodised aluminium
• Weight (BSA version): 93 g
• Colour: Silver
• Intended use: Road, Cyclocross, Gravel, City