Spitfire Lock-In Full Formula Four 101du Size:55MM Don't upgrade your board -

Don't upgrade your board - just change your fins

The tip is more refined compared to his signature twin + 1

This ensures that your repaired or customized surfboard maintains its integrity even in challenging surf conditions

FEATURES Rocker curves: Remain engrained to the original proven curves

Spitfire Lock-In Full Formula Four 101du Size:55MM Don't upgrade your board -Overview Grind confidently with the Spitfire Formula Four Lock Ins Skateboard Wheels. The Spitfire Lock In shape features a familiar conical cut profile with a straight edge on the other side in order to lock into grinds for reduced slipping. Poured with Formula Four Urethane in a medium profile with a smooth surface. Sold as a set of four in multiple sizes and durometers. Surface Smooth Quantity Set of 4 Wheels Wheel Profile Medium Key Features