TheKink Bracecranksfeatures a traditional 3 piece designwithleft and right side sprocket bosses with a22mm hollow spindle. The custom spindle bolts feature both 3/8 ratchet and 6mm Allen key broaches. The crank arms feature oval tapered tubing for a sleek look and a stiff feel, and the large radiuses on the spindle bosses make these cranks more ankle friendly.