Shimano 105 FC5800 11 Speed Chainrings - 39T-MD - Black
Shimano 105 FC5800 11 Speed Chainrings - 39T-MD - Black

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The chainring teeth have been developed to work in conjunction with HG-X 11-speed chains for increased contact to provide greater efficiency and improved power transferMaterial: AluminiumBolt Pattern: 4 BoltChainring BCD: 110mm