Grupo de discos hidráulicos Shimano Ultegra R8170 12s velocidades Di2: 172,5 36/52, 11x34

ULTEGRA Di2 R8170 STI Brake/Shift levers. ULTEGRA R8170 Flat Mount Disc Brakes with pre-bled hoses (front + rear). ULTEGRA Di2 R8150 Front Derailleur: Braze-On. ULTEGRA Di2 R8150 Rear Derailleur. Di2 Wire Set: 600mm + 1200mm.

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