Stronglight double chainring bolts. Comprises 5 bolt set for double chainrings. 5 outer bolts and top hat nuts and 5 inner bolts. Campagnolo FC-RE950 Record 12 Speed 145 BCD Chainring 50T. Camagnolo FC-AT650B Athena 11 Speed 2009/10 Outer Chainring 50T In Black.
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