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110BCD Folding Road Bike Double Chainring 50-34T 9-11Speed Crankset Chainwheel

110BCD Folding Road Bike Double Chainring 50-34T 9-11Speed Crankset Chainwheel

Item: Power dual elliptical chainring group. Net Weight: about 122g (small plate-30g; big plate-93g). Suit for Pawl: 5 Pawls Crank. Correspond to the maximum speed: 9-11speed.