The Shimano FC-T521 10 speed triple chainrings are the perfect replacement for worn or damaged chainrings
Shimano's class leading chainrings offer the optimum balance of light weight and rigidity for precise shifts even under high loads
Designed to work with Shimano’s 10-speed HG chain providing more efficiency and improved power transfer
Genuine Shimano replacement chainrings for the FC-521 triple 10 speed chainset; available sizes 36T and 32T middle, 36T middle - Y1NL98020, and 32T middle - Y1NL98010