The Shimano FC-RS200 8 speed chainrings are the perfect replacement for worn or damaged chainrings
The chainring teeth have been developed to work only in conjunction with Shimano HG 8-speed chains for improved contact providing more efficiency and improved power transfer
Genuine Shimano replacement chainrings for the FC-RS200 non series road cranksets available in 50T, (Outer ring), 34T (Inner ring)
Shimano part numbers: 50T-F - Y1V498040, matches 34T - 1M8 3401, the inner 34T also can be used on an FC-2350chainset