CERAMICSPEED OSPW rear derailleur cage system | SRAM Road AXS
CeramicSpeed's Oversized Pulley Wheel System (OSPW) is the logical consequence of minimizing friction. Due to the large derailleur pulleys with 15 teeth at the top and 19 teeth at the bottom, the wrap radii of the chain are significantly reduced, which is noticeable in the lower 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% smoother and 99% more resilient than standard ceramic balls. CeramicSpeed bearings are considered the best ceramic bearings in the world.
The bearing cage is made of carbon fibers reinforced with polyamide so that the forces can be better distributed and absorbed and your rear derailleur works perfectly even in the most adverse conditions.
Technical specifications:
Area of intended use : Road, Gravel, Cyclocross
Material cage: carbon, polyamide
Material bearing: stainless steel, ceramic
Material wheels: aluminum
Number of teeth on top: 15
Number of teeth below: 19
Compatibility chain: 11/ 12-speed
Largest sprocket: max. 36 teeth (12-speed), max. 32 teeth (11-speed)
Color cage: black
Color derailleur wheels: black or red