Fully compatible with SRAM Red D1/E1 and SRAM Force D1 groupsets. The CeramicSpeed OSPW Aero ALPHA system for SRAM Red/Force AXS derailleurs upgrades the fastest and most proven aerodynamic derailleur cage, including our patent-pending ADR bearing protection and the quiet ALPHA disc with composite toothed profile pulleys. Additionally, speed-defying stripe graphics have been added for a touch of visual movement. OSPW Aero ALPHA cages have been updated to accommodate ADR-equipped ALPHA disc pulleys. These pulleys cannot be added to a previous generation OSPW Aero cage. In the box: Complete OSPW Aero ALPHA for SRAM Red/Force AXS system. AXS eTap tool. Fully compatible with SRAM Red D1/E1 and SRAM Force D1 groupsets. The CeramicSpeed OSPW Aero ALPHA system for SRAM Red/Force AXS derailleu.
eBay