If you wanted more solid wheels, only now you can choose GFR Cross.
This wheel is based on the material of indoor wheel,
its rolling is superior to any other wheel.
GFR CROSS
SIZES 80MM 76MM 72MM
HUB
43MM SOLID
BEARING CORE
608 (STANDARD)
SPACER
10.25กพ0.03MM
THICKNESS
24MM 
HARDNESS
90A
COLOR
BRIGHT YELLOW
STYLE SKATE CROSS, SLALOM UNDER HOT WEATHER