The brand new SpeedBlade + 4.0 holder gives you extra height off the ice for a deep and aggressive angle of attack. The SpeedRibs give additional strength & stability to the skater. Providing exceptional turning in tight corners. To top it off, the SB Hyperglide runner brings less friction and more glide. Get ready to strap a rocket to your feet with the all new SpeedBlade + 4.0 holder.