Shimano Tiagra BB-RS501 Hollowtech II BSA Bottom Bracket 68mm

The Shimano Tiagra BB-RS501 bottom bracket is for frames with BSA thread and allows you to install a crankset with a 24 mm axle into a road bike frame with threaded bearing. Shimano recommends BB-RS501 for the cranksets of the Tiagra, Sora, Claris, Alfine, GRX RX600 series and for a number of no-group models. It features an optimised seal design that extends durability. The bearings are made of steel, the bearing cups of anodised aluminium. In combination with a corresponding crankset, this bottom bracket and its Hollowtech II technology ensures stability and efficiency with every pedal rotation.

• Application: Road, Cyclocross, Gravel, City
• Type: BSA
• Shell Width: 68 mm
• Axle Diameter: 24 mm (Hollowtech II)
• Bearings: steel
• Bottom Bracket Cup Material: aluminium

Compatibility: Recommended for:

• Tiagra FC-4700, FC-4703
• Sora FC-R3030, FC-R3000
• Claris FC-R2030, FC-R2000
• Alfine FC-S501
• GRX FC-RX610, FC-RX600
• FC-RS520, FC-RS510, FC-R460, FC-RS400
• FC-CX50

Features:

• anodised bearing cups
• improved seal design
• long life

Contents:

• Shimano BB-RS501 bottom bracket, consisting of:
• 1 x right bearing cup with bearings
• 1 x left bearing cup with bearings
• 1 x bottom bracket centre sleeve

Weight: 93 g