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 50T/34T 110BCD Road Bicycle Chainwheel Double Round ChainRing 9/10/11Speed

50T/34T 110BCD Road Bicycle Chainwheel Double Round ChainRing 9/10/11Speed

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