170 mm length, 110 BCD, 52/40 tooth count. Teeth have some signs of wear. Buyer may need to change their chain/free wheel/cassette for the item to function properly. Some scratches, dirt, grime, and other cosmetic blemishes. Threads and taper are dirty, but are in relatively good overall condition. Please see pictures for our condition of the item. Buyer pays $10 flat rate shipping for USPS ground advantage.