☘️ Compatible with Praxis crank
☘️ Weight: 80g per set
☘️ Si3n4 hybrid ceramic bearings feature ultra-spherical silicon nitride balls matched to SAE 52100 chrome steel bearing races that have been processed with additional heat treatment and polishing steps. The result is a hybrid-ceramic bearing that lasts longer than any steel bearing with spin performance no steel bearing can rival.
☘️ Made in USA
☘️ Installation & re-thread can be done at additional cost