frame : alumunium
wheel :72-76-76--72 size ( 35-40 ) & 76-80-80-76 size ( 41-44 ) 
hardness : 85a
bearing : abec 7 BKB
#35-36 = 21,8cm - 23,3cm
#37-38 = 23,4cm - 24cm
#39-40 = 24,1cm - 25,3cm
#41-42 = 25,4cm - 26,6cm
#43-44 = 26,7cm - 28cm
#45-46 = 28,1cm - 29,4cm