Road Bike 56-42T BCD 130mm Five Jaw Crank 54-40T 53-39T Double Chainrings
BCD 110BCD. APPLICABLE : BCD110 Five Jaw CRANK. CRANK SUPPORT 9/10/11 ORDINARYCHAIN. THE 130-5 VARIABLE SPEED DUAL DISC IS MADE OF THE WHOLE ALUMINUMPLATE BYCNC MILLING.It IS HOLLOWED AND CHAMFERED, ENSURING THE STRENGTH AND REDUCING THE WEIGHT OF THE GEAR DISC!
ROTOR Direct Mount Road Chainring. Round Universal Tooth
In addition, because the ring is made from a single piece of aluminum, rigidity is improved. ROTOR is able to align the aluminum’s unidirectional fibers to maximize strength. These chainrings use ROTOR’s latest Universal Tooth technology, making them compatible with any chain.