The Shimano FC-M5100-B2 Crankset in the dark grey is a high-quality bicycle component designed for sport enthusiasts. This crankset is compatible with Shimano brand bikes and features a BSA (English) bottom bracket shell type. With a length of 13 inches and a crankarm length of 175mm, it offers a smooth and efficient cycling experience. This set includes a double chainring and weighs 3.73 lbs, making it a durable and reliable choice for any riding style.