WARRANTY All products sold by Ridewill areNEW and have warranty unless otherwise specified Spare pulley set for 9-10 speed rear dearilleur, tension + guide pulley, 9/10 speed, RD-6700/ 6600/ 6500/ M772/ M771/ M770/ M761/ M760/ M751/ M750/ M810/ M806/ M805/ M801/ M800/ C910.
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