COREFX - THIN-GRIP SPEED ROPEThe COREFX Thin Grip Speed Rope features a thin grip handle that connects to the jump rope. Although, instead of a solid attachment the cable is connected to the handle with a bearing designed specifically for high speed rotation. The vinyl coated cable is light and adjustable. These qualities combine to create a speed rope that performs at high speed with precision. Some of the benefits include: increased heart strength and condition, improvement in