RACE FACE bottom bracket insert BSA 100 O30 Ext. Seal black (BB19BSA10030)

The RACE FACE BSA 100 O30 Ext. Seal black bottom bracket is designed for a precise fit in frames with a shell width of 100 mm and cranks with a 30 mm spindle. The construction of this model meets the demands of cyclists looking for reliability and effective protection of drivetrain components in challenging off-road conditions.

BSA Bottom Bracket System Specification

The RACE FACE BSA 100 O30 Ext. Seal bottom bracket uses the BSA threaded standard, ensuring high compatibility with a wide range of MTB frames. Designed for cranks with a spindle diameter of 30 mm, it allows for efficient power transfer and compatibility with modern drivetrains. This design guarantees stability and precision operation in demanding mountain applications.

Seal and Bearing Protection

The BSA 100 O30 Ext. Seal features external seals that effectively protect the bearings from mud, water, and dust ingress. This solution extends the technical lifespan of the bottom bracket during intensive use in the field. Thanks to the appropriate protective design, maintaining a high standard of drivetrain performance is possible even when riding in difficult conditions.

Dimensions and Structural Compatibility

The bottom bracket is designed for shells with a width of 100 mm, making it a suitable choice for fat bikes and some MTB models. The properly selected spindle diameter and shell width ensure a secure fit of the bottom bracket in the frame and easy integration with dedicated crank systems. These parameters allow for smooth drivetrain operation even under heavy loads.

RACE FACE BSA 100 O30 Ext. Seal black - Features:

• Compatibility with BSA threaded standard for shells with a width of 100 mm;
• Designed for cranks with a spindle diameter of 30 mm;
• Utilises external seals for bearing protection;
• Stable performance in off-road conditions and during intensive use;
• Secure fit for fat bike and MTB frames with wide shells;
• Facilitated integration with dedicated RACE FACE crank systems;
• Durable construction optimised for longevity;
• High resistance to mud and moisture ingress.