The Stronglight Road Chainring Standard Type S 7075 CNC black 11/10 130BCD outer 53T 5 Arm is a lightweight, durable chainring engineered for reliable road performance; precision CNC machining from 7075 aluminum delivers stiffness and low weight while the 130BCD five-arm pattern ensures broad compatibility with standard road cranksets. Its 53-tooth outer ring suits riders seeking high-speed gearing and the black anodized finish provides corrosion resistance and a sleek appearance.