Pulley wheels that reduce friction, last 3-5 time longer than stock high-end pulleys, and reduce overall drag within the drivetrain.
- Grade 3 Silicon Nitride balls
- Hardened races
- Reinforced polyamide cage and non-contact seals
- Hand built in Denmark
- Precision machined aluminum pulleys
- Coated races increase bearing service life by increasing hardness of race and reducing corrosion
- SRAM 11-Speed