マット・バーガーさんのインスタグラム動画 - (マット・バーガーInstagram)「X- Formula™ is smooth, fast and durable. It has been developed using the highest quality, longest lasting materials. X-Formula is a great value and because it softens landings and absorbs vibration, it is also better on your body which can add longevity to your normal day of skating. These wheels will change your life!」8月18日 1時49分