Whether you are new to the sport or an avid cyclist, Shimano parts have you covered. Built to last, designed by bike enthusiast, this Shimano Dura-Ace SG 43T Chainring is an excellent upgrade for your bike. Shimano parts take you the distance. Material: Aluminum Bike Type: Road Bolt Pattern: 5-bolt BCD: 130 Teeth: 43t Color: Silver Weight: 85g *Attention* This Shimano Equipment is new, unused old stock, with no markings besides part number on most product. Information is limited due to the nature of the product. Please see image or contact Bikewagon customer service for details. New OEM; not in retail packaging.