This listing is for one NIB Stronglight CT2 Road Cassette. It is standard Shimano 10 speed with a 12-25T range. The cogs are made of 7075 Aluminum with a ceramic teflon coating designed for long life and smoother shifting. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Cassettes, Freewheels & Cogs". The seller is "bicyclesamurai" and is located in this country: US. This item can be shipped worldwide.