Per Schwinn Nautilus E614 E616 Rullo Ruota Guida Scanalatura U 8004225 Poliuretano
E614 - 100391 - 2014 Rev. B. E616 - 100392 - 2014 Rev. B. For Nautilus Residential. --Upgraded material, made of polyurethane, hardness 90 degrees, reduce the production of abnormal sound. Type: Wheel Roller.