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Note* This item is a return that has been mounted and used. There are a a few small scratches along the cage.
Sram X7 is Sram's midrange line of mountain bike components. The X7 lines brings high end performance to the midrange line. 3x10 technology is now available in SRAMs X7 line. 3x10 adds another cog to the cassette making it ten gears. This enables the rider to have more efficient gearing and, therefore, a more efficient ride. This also means faster and smoother shifts, and better clearance.