Why changing to Q-Axle?

Why changing to Q-Axle?

Square taper axle? Multi-Spline? ISIS? Q-Axle! The Q-Axle is the next step after the ISIS axle interface. The yellow QU-AX multispline-hub came from a typical BMX-bottom-bracket and had some resemblance with the Q-Axle. It was known as very robust. Later, we...