BONES WHEELS X-Formula Skateboard Wheels Joslin Slice of Life 54mm V1 Standard 99A 4PK Flannel Cruz Missile concave is based

Cruz Missile concave is based on Santa Cruz's infamous tech concave from the 1980s with aggressive

Stage 4s are made with all modern materials and manufacturing processes - making them more durable and longer lasting than the originals or any imitation

the leather upper with tough stitching delivers comfort that lasts

side utility pockets

Supportive cupsole construction

BONES WHEELS X-Formula Skateboard Wheels Joslin Slice of Life 54mm V1 Standard 99A 4PK Flannel Cruz Missile concave is basedAbout X Formula About: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all terrains because it absorbs vibration and softens impacts much better than any other wheel in the market. Grip