The Shimano Ultegra Chainset - FC-6800 is a high-quality crankset designed for road bikes. Made from durable aluminium and alloy materials, it features a double chainring with a 52-36 tooth configuration. The 175mm crank length offers optimal performance for cycling enthusiasts. With a black finish and a manufacturer warranty of 2 years, this Shimano chainset is a reliable choice for those looking to upgrade their bike components. Made in Japan, this crankset is compatible with Shimano brand bikes and is a great addition to any cycling setup. Removed from bike I recently stripped for parts.