CeramicSpeed OSPW System with black cage and red 13T upper / 19T lower pulleys. One used assembly as pictured.

Scuffs on the black cage and light chain wear on the red pulley teeth. Not installed, spun, or function-tested for this listing. No retail box or oil bottle included.

Fitment reference: Shimano Dura-Ace R9100/R9150 and Ultegra R8000-SS/R8050-SS, 11-speed short cage. Not for GS long cage, RX800/RX805 clutch, or 12-speed 9200/8100. Please confirm the exact derailleur and mounting configuration before purchase.

The first image is a generated presentation hero; the remaining four original photos show the actual used assembly and its condition. Ships carefully packed with buyer-paid calculated shipping.