Eagle represents Sram`s newest 1x drivetrain technologies DUB technology delivers the lightest, stiffest, strongest crankset available Eagle is a lighter, tougher, quieter, more durable and more precise drivetrains Eagle features all-new 1x components, engineered for even greater durability and performance Eagle technology allows an expanded, optimum, 500-percent gear range - a 20-percent increase over our other 1x All-new Sram Carbon Tuned crank technology provides extreme stiffness and light weight All-new chainring technology is designed specifically for Eagle chains and drivetrains The X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and extraordinary durability Boost Compatible 170x34 DUB GRY Direct Mount 1x12UPC/EAN/GTIN: 710845838101