`- Oval shape allows for greater power, increased traction, and a smoother spin\n- Highly sought after Bi Directional Narrow-Wide tooth design which provides excellent chain retention without a chainguide \n- Direct mount for Shimano M9100, M8100, and M7100 and perfect for 1x setups\n- Features a perfect 51mm to 55mm chainline, depending on axle length and spacer configuration\n- CNC'd in Canada from 7075 aluminum with laser etched graphics