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Components
Dura-Ace
39
Chainrings
Chainrings
Shimano Dura-Ace FC-7800 Round 39T 2/10spd 5 bolt - 130 bcd Inside Aluminium Chainring - Metal
Blackspire/Shimano Super Pro/Dura-Ace FC-9000 Round 39T 10/11spd 4 bolt - 110 bcd Asymmetric Inside Aluminium Chainring - Black
Shimano Dura-Ace FC-9000 Round 39T 2/11spd 4 bolt - 110 bcd Asymmetric Inside Aluminium Chainring - Metal
Shimano Dura-Ace FC-7900 Round 39T 2/10spd 5 bolt - 110 bcd Inside Aluminium Chainring - Metal