The Shimano GRX FC-RX600 11 Speed Chainrings are a brand new pair of high-quality chainrings designed for cycling enthusiasts. With a sleek black finish and a durable construction, these chainrings feature 46 and 30 teeth for optimal performance. The 4-arm mounting type ensures a secure fit on your bike, making them a reliable choice for any cyclist looking to upgrade their chainring set. Perfect for enhancing your cycling experience, these Shimano chainrings are a must-have for any serious rider. 46 outer 30 inner 11 speed Brand new Unused Unboxed