Engineered for ultimate drivetrain efficiency and unparalleled performance, integrating a reinforced cage, oversized ALPHA Disc pulley wheels, and superior ceramic bearings.

The CeramicSpeed OSPW RS Alpha SRAM system represents a groundbreaking evolution in drivetrain optimization for SRAM's 12-speed RED and Force AXS road groupsets. This Oversized Pulley Wheel System delivers measurable watt savings and significantly reduces friction, ensuring every pedal stroke is translated into maximum power. Featuring a newly reinforced cage design for enhanced strength and durability, it houses ultra-durable ALPHA Disc pulley wheels. These innovative composite/aluminum pulleys with patent-pending Active Debris Remover (ADR) technology are designed to prevent contamination and prolong bearing life, even in the harshest conditions, making it the definitive upgrade for competitive cyclists seeking a distinct performance and aesthetic advantage.

• Fully compatible with SRAM RED AXS and Force AXS 12-speed road rear derailleurs.
• Features ALPHA Disc Pulley Wheels with Active Debris Remover (ADR) technology for superior durability and bearing protection.
• Reinforced cage design provides new levels of strength and longevity.
• Equipped with ultra-low friction CeramicSpeed handbuilt bearings for significant watt savings.
• Modern, angular design blends seamlessly into contemporary bike and groupset aesthetics.
• Customizable spring tension settings for optimal setup and shifting performance.