Sram x01dh cassette xg 795 10 24 7 speed
Larger jumps between gears eliminate the need for doubletriple shifts to get in the gear less cogs allow faster transition from starting gear to high gear half as many shifts to get from 24 10 versus a normal 10 speed 26 11 10 tooth cog opens up high end and allows smaller rings for ground clearance more rear wheel clearance around spokes