julio 28, 2026
Retro Bicycle Parts SHIMANO Chainring Biopace for Dura-Ace FC-7400, 600 Ultegra FC-6400, 105 FC-1055, 42T 130BCD Matte. Type: Biopace Chainring. Why Choose Shimano Biopace?. Efficient Design: The Biopace design enhances pedal stroke efficiency for smoother rides.