You can find all the spare parts and components you need for your bike at Escapa.
Like the Stronglight CT2 Adaptable Dura-Ace/Ultegra 110mm Chainring in 34T or 36T
Features:
Material: 7075-T6 aluminum with PTFE-coated ceramic.
Compatible with Shimano FC-6750, Ultegra, and Dura-Ace.
BCD: 110mm, 4-bolt