The Crupie skateboard wheels Apex flat spot resistant square spring wide shape, available in sizes 52mm are engineered for durability and precision performance. Designed with flat spot resistant technology, these wheels maintain their integrity even through intense skate sessions. The square spring wide shape enhances stability and control, providing a smooth ride and reliable traction on various surfaces. Whether you're cruising through the streets or tackling tricks at the skatepark, these wheels offer optimal performance for all your skateboarding endeavors.