KMC Z51 chain, 1/2x3/32. IG/HG-compatible, 5/6/7-speed. Color: black. Will work on must mountain and road bikes that have 5,6,or 7 gears on the back of the bike. You may need to purchase a chain tool to size this chain down to the size of your old one. This chain has 116 links. Free shipping on all orders over $100.00!