The CeramicSpeed OSPW RS V3 is a premium oversized pulley wheel system designed for SRAM RED D1/E1 and Force E1 rear derailleurs. Featuring 15-tooth and 19-tooth oversized pulleys with hand-built low-friction bearings, it reduces drivetrain friction for improved efficiency and long-lasting performance in all riding conditions.

The updated V3 design introduces an optimized cage interface for faster, easier, and more consistent installation while maintaining the stiffness, durability, and efficiency that have made the OSPW RS a benchmark for high-performance drivetrains.

Equipped with patented Active Debris Remover (ADR) technology, the pulley bearings are protected by a specially designed dust cover and debris-clearing groove system that minimizes contamination from dirt, mud, and water. The ALPHA Disc pulley wheels combine a durable composite narrow-wide tooth profile with a solid aluminum disc, improving durability, reducing drivetrain noise, and preventing debris from becoming trapped in the pulley wheels.