A metallic coating applied to the bearing races helps to protect these ceramic pulley wheel bearings from contamination. CeramicSpeed’s pulley wheels are compatible with most nearly any Shimano ...

The ceramic bearings and oversized pulleys (19-tooth bottom pulley ... with a four-year warranty, or with coated ceramic bearings for $619 with a six-year warranty. The company also offers other ...

accessory brackets and pulleys, and small parts like hood hinges and latches for customers. We've even coated steel wheels in silver ceramic, which gives the appearance of polished aluminum.

The stainless balls at the center of the Kolossos ST bearing only result in a friction increase of “a fraction of a watt” ...

About OSPW CeramicSpeed’s OSPW System optimises the overall efficiency of the drivetrain, due to its unique design and extremely low-friction ceramic bearings. The oversized pulley wheels reduce ...

That mission has been accomplished with Kogel's wide range of bearing options for bottom brackets, wheels, and pulley cages .

The CeramicSpeed oversized pulley wheel (OSPW ... is essentially the same product sans the fancy jockey wheels and coated ceramic bearings. Regardless of the exorbitant sticker price, however ...