Features
Professional-Grade Precision: Designed for accurate and damage-free installation of 61903 bearings in Zipp Cognition rear hubs.
Optimized Hub Compatibility: Fits Zipp Cognition Disc Brake Rear Hubs, including ZR1 and ZM2 models, ensuring perfect alignment.
Smooth Performance Support: Ensures proper bearing seating for reliable hub rolling and braking efficiency.
Durable and Reusable: Built from robust materials for consistent use in home or professional workshop environments.
Maintenance Essential: Ideal for routine servicing or hub rebuilds, helping maintain drivetrain smoothness and braking integrity.
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