MacMahone's 11 speed WOLF crankset design for riding from some extremely sloppy winter conditions, to the dust and rocks of mountaim, and even more countless miles of rowdy singletrack. The developing time MacMahone has put on the WOLF crankset, it has given us a clear idea of how it function over the long distance. WOLF crankset -HOLLOW Forged AL6061T6 Integrated One Piece Aluminum Construction -Single Spider Ring 100% CNC Machined -Fully Forged For Maximum Fatigue Resistance And Then Extensively CNC Machined For Accuracy Tolerence -Crank Arm Laser Logo http://www.macmahone.com/just-in-2016-mac-mahone-wolf-crankset/