Description
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
- Hand built in Denmark
- Precision machined titanium pulleys have a lifetime three times greater than those made of machined aluminium
- Coated races increase bearing service life by increasing hardness of race and reducing corrosion
- CeramicSpeed products with coated bearings include a 6-year warranty