The Shimano Ultegra FC-6500/6503 170mm Road Bike Crankset is a high-quality aluminum crankset designed for road bikes. It features a sleek silver color and is compatible with 9-speed bikes. The set includes the crankset with a Shimano Octalink 22mm bottom bracket shell type. This crankset is part of the renowned Shimano brand and is made in Japan, ensuring top-notch quality and performance for your sporting goods needs. The 170mm crankarm length and 2x chainring compatibility make it a versatile and reliable choice for serious cyclists. Comes with attachment bolts and vanity rings - NO Chain Rings.