There are no doubts about the X-Man Spark 7×7 M being a great cube. Before the cube was even released to the public, Max Park beat the World record in 7×7 average with this cube as it was sent to him in advance. Below is a video of Max Park solving the cube at an incredible speed of 1:49. The cube is also available without magnets here: X-Man Spark 7×7.
X-Man Spark 7×7 M
The X-Man Spark 7×7 is a Speedcube meant for competition. The cube which was released 2019 is a modern and well-performing cube from Qiyi. The cube is fast and flexible. It has good corner cutting and the cube locking up is at a minimal. Simply a world-class speedcube. This is the magnetic version of the cube, which was used by Max Park to beat the World record in 7×7 with an average of 1 minute and 51 seconds.