SRAM, XX1 Eagle DUB, Crankset, Speed: 11/12, Spindle: 28.99mm, BCD: Direct Mount, 32, DUB, 170mm, Grey, 55mmTrue competitors are always looking for a performance advantagea relentless pursuit of equipment that is lighter, stiffer, stronger, and more durable. To create the best drivetrain possible, SRAM re examined and re engineered the crankset design. SRAM's all new XX1 Eagle CARBON TUNED crankset is the lightest, stiffest, and strongest to date. DUB technology enhances this by simplifying the relationship of the spindle to the bottom bracket and