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Outer ring of our 2x aero 110x4 spider mount Round chainrings provide minimal air resistance, reduces drag and allows you to pedal faster with less effort. They are compatible with all ROTOR modular road cranks and power meters including 2INpower, INspider, INpower, ALHDU and VEGAST.
Compatible with 110x4 Spider and Aero Mas Spider.
Weight of chainring (52t): 140.6gChainline ALDU/Vegast with std axle: 43.5 mmChainline ALDU/Vegast with offset axle: 46mmINpower/2INpower: 44.5mm
Chainrings: 58/44, 56/44, 55/44 or 42, 55/44 or 42, 53/39, 50/34.
* Campi obbligatori