longboard sizes: 36*9.0inch , 40*9.50 inch, 46*9.5 inch CE standard Longboard -- SK-4695Fflat board (concave)Canada Maple deck / Mixed maple deck / China maple decksizes: 36*9.0inch , 40*9.50 inch, 46*9.5 inch7inch aluminum truck and baseABEC-7 BearingsPU wheels (58*42mm)meets CE quality standard Professional Longboard (46*9.5inch, flat)