165 mm length, 52/40 tooth count, English threads. Some scratches and tarnishing, dirt and grime on teeth. Teeth have some wear, some teeth are beginning to shark fin slightly. Threads and tapers are dirty but in good working condition. Hardware has some signs of wear. Buyer may need to change their chain/cassette/freewheel for item to function properly. Please see pictures for condition of the item. Buyer pays 7.60 flat rate shipping for USPS Priority Mail.