Baker Skateboards Flames (Square Shape) Skateboard Wheels 53mm - SKATEBOARDS from Native Skate Store UK
Shark Wheel - the SQUARE skateboarding wheel | Indiegogo
SQUARE SHARK WHEELS!!! - YouTube
WHAT ARE SHARK WHEELS?! - YouTube
Reinvented Wheel Is A Square | Popular Science
There was a lot discussion about wheel size and durometer, but nothing about wheel profile (rounded or flat). Anyone can chip in about that topic? What wheel profile is better for beginner