X-Formula X-99 V1 Standard - 52mm 8.25" Measurements based on size 32

Measurements based on size 32

UNRIVALED DURABILITY - Reinforced DURACAP™ underlays in high-wear areas add unrivaled durability to prolong the life of each shoe

SAI Denim Cap in Pale Taupe

Rubber outsole with heritage hoops pivot circles delivers traction and durability

and more durability

X-Formula X-99 V1 Standard - 52mm 8.25" Measurements based on size 32Bones X Formula 52mm 99A V1 Standard Wheels. 52mm Diameter. 31mm Width. X Formula 99a. V1 Standard. Perfect balance of radius, width and speed for best all around performance. 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. X Formula is extremely fast because it has a super high rebound. X Formula