The CeramicSpeed OSPW Aero ALPHA system for SRAM Red/Force AXS derailleurs updates the fastest proven aero derailleur cage to include our patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys. Furthermore, a speed defying pinstripe graphic has been added for a splash of visual motion. The OSPW Aero ALPHA cages have been updated to accommodate the ADR equipped ALPHA disc pulleys. It is not possible to add these pulleys to a previous generation OSPW Aero cage.

* Fully compatible with the latest 2024 version of SRAM’s RED AXS groupset

Specifications
Discipline: Road and Tri
Pulley Material: Aluminium
Derailleur Brand: SRAM
Derailleur Model: Red AXS and Force AXS

Mfr Claimed Weight
118g

Description:

Engineered for speed and shaped by science, the CeramicSpeed OSPW Aero ALPHA for SRAM Red/Force AXS is the ultimate performance upgrade for serious racers and time trialists. Designed in collaboration with aerodynamic specialists, this Oversized Pulley Wheel (OSPW) system combines CeramicSpeeds world-renowned efficiency with a fully integrated carbon-reinforced cage that minimizes drag while maximizing power savings.

Tailored specifically for SRAM Red and Force AXS 12-speed derailleurs, the OSPW Aero ALPHA features hand-built coated bearings, aerodynamically optimized design, and lightweight carbon constructiondelivering unmatched drivetrain efficiency and wind-cutting performance.

Key Features:

Compatible with SRAM Red and Force AXS 12-speed derailleurs

Aero-optimized carbon-reinforced cage reduces drag for proven watt savings

Coated CeramicSpeed bearings for ultra-low friction and extended durability

Oversized 13-tooth upper and 19-tooth lower pulleys enhance chain flow and drivetrain efficiency

Developed with aerodynamic experts, validated through CFD analysis and wind tunnel testing

Hand-assembled in Denmark, built for elite-level performance

Race-proven technology, trusted by top professionals in time trials and triathlons