New Shimano Mf-tz20 6-speed Freewheel 14-28t for MTB Road Cycling Bike Review Posted by GiantPandaisy June 2, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. Shimano MF-TZ20 14-28 teeth 6 Speed setup Shimano MF-TZ20 14-28 teeth 6 Speed setup Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors