SRAM X01 T-Type Eagle XG-1295 12 Speed Cassette - 12 Speed - XD Driver - 10-52T - BlackThe new 10 52t, XG 1295 cassette gives riders more than ever before, with an unprecedented 520 percent range. For a little extra to avoid the hike a bike, a little more in the spin to win game, the XG 1295 cassette also allows stronger riders to increase their chainring size if they want. Provides a massive 520 percent gear range for brutal steeps and avoiding hike a bikes. Stronger riders can increase chainring size for speed, without sacrificing