Gravity Sporting can be described as Gravity Powered Vehicle (GPV) racing on a downhill course.GPVs currently racing include: street luge, classic luge (buttboard), gravity bikes, speedboard (modified...
Unlike most inline skates, Aggressive Inline Skates (often called stunt skates, trick skates, etc), use different types of wheels. Most wheels used are often small, ranging from 52mm to 60mm. The hardness is...
ABEC Stands for Annular Bearing Engineers' Committee. This committee works to determine standards for bearings for the Anti-Friction Bearing Manufacturers Association. The ABEC scale classifies different...