There are no doubts about the X-Man Spark 7×7 being a great cube. Before the cube was even released to the public market, Max Park beat the world record in 7×7 average with the magnetic version of this cube, after Qiyi sent it to him in advance. Below is a video of Max Park solving this cube with an incredible time of 1 minute and 49.9 seconds.
X-Man Spark 7×7
The X-Man Spark 7×7 is a speedcube built for competing. 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 minimum. Simply a world-class speedcube. The X-Man Spark is also available as a magnetic version.