The Shimano Dura-Ace 50T Chainring is a high-quality aluminum component designed for single speed, fixie, and track bikes. With 50 teeth and a 144 bcd distance between bolt holes, this chainring is compatible with Shimano brand bikes and features a 5-arm mounting type for secure installation. Made in the United States, this durable chainring is a great choice for serious cyclists looking to optimize their performance on the road or track. This shows normal signs of wear. Check pics for condition.
eBay