Description
Upper and lower body made of lightweight fiberglass-reinforced technopolymer for reduced weight and increased strength. It features the same Super Record shape, offering similar shifting performance.Upper pulley with longer teeth for easier rear derailleur operationLower pulley with chamfered bumps for smoother shifting.Pulleys with bearingscompatibility: Campy Centaur / Potenza / Chorus / Record / Super Record 2015+