Spitfire Formula Four Lock Ins Wheels 101DU 52mm
Spitfire F4 Lock-In wheels deliver precision control with asymmetrical design—flat on one side for locked-in grip, rounded on the other for smooth transitions. Built with Formula Four Performance Urethane for durability and response. These 52mm wheels (32mm width, 20mm riding surface) at 101DU hardness suit street and technical skating. Natural colour keeps your setup classic.