The Oversized Pulley Wheel System from CERAMICSPEED is the logical consequence of minimizing friction. The large derailleur pulleys with 13 teeth at the top and 19 teeth at the bottom significantly minimize the movement of the chain links when running through the cage , which is reflected in less friction. In addition, the larger rear derailleur rollers offer a longer service life than other commercially available systems.

Technically, the OSPW system is equipped with high-performance bearings and special ceramic balls made of third-grade silicon nitrite (best grade achieved for ceramic bearings). The ball bearing cage is made of reinforced polyamide, with a hardened steel race and polished groove. The CERAMICSPEED bearing balls are 15% harder, 100% more flexible and 99% more resilient than standard ceramic balls. CERAMICSPEED bearings are considered to be the best ceramic bearings worldwide.

Coated version
Compared to the already high-quality standard bearings from CeramicSpeed, the "coated" version has a wafer-thin protective layer applied to the bearing rings. As a result, the latter become even harder, have a life cycle that is 60% longer and have even lower rolling resistance.