This Shimano 105 FC-5800 172.5mm 50/34t Alloy Crankset is a high-quality product suitable for road and gravel bikes. The crankset is made of alloy and has a 4-bolt asymmetrical mounting type. The spindle type is 24mm, and it has 11-speed compatibility. The set includes a crankset with chainring, and it has a number of teeth of 53/39t. The distance between the bolt holes is 110 mm, and it comes in black color. The item width is 172.5 mm, and it weighs 757 g. The crankarm length is 172.5 mm, and it has a double number of chainrings. The model is 105 FC-5800, and it is suitable for use as a part for your bicycle. Taken out of box but never ridden, mounted once.