The new Eagle X0 Transmission crankset offers the lightest all aluminum crankset on the market and is the most Advanced Sram has ever madePerfectly balanced stiffness to weight ratio paired with Sram`s new Eagle X0 T-Type chainring for unprecedented shifting performanceHigh performance, CNC machined bash guards and power meter ready construction take it to the next levelProven DUB bottom bracket interface integrates into a multitude of frame options (BB not included)175x32DUBBLKDirect Mount1x12UPC/EAN/GTIN: 710845891779