It might look normal from the outside, but the engineering inside this incredible chain design makes possible a gear range previously found only in 2-chainring drivetrains.
The XX1 chain represents the latest breakthrough in a long line of precise, light weight chains from SRAM. Its designed to deliver the greatest strength.
Whether for prized race machines or the build of their dreams, the XG-1299 cassette is the ultimate, giving riders unprecedented 520-percent range thanks to the new 10-52 tooth-span.