NGeco Rotor ALDHU power meter spider
Price: 100,00 € – 490,00 €
The BCD (bold circle diameter) determines the chainrings: BCD 110 = 5-bolt (50/34) and (52/36). BCD 130 = 5-bolt (53/39 or bigger). BCD 110 4-S and 110 4-SL = for Shimano 4-bolt chainrings.