Spitfire Formula 4 - Lock-Ins Skateboard Wheels - Lock-Ins - 99 Duro Size:52mm and smudge-free

and smudge-free

Instep Flex Zone & PleasureCuff™The Instep Flex Zone maintains natural ankle flexion whether strapped in or hiking

375” width offers a balanced platform with a medium concave for solid control

Durable Repellency – Long-lasting waterproof treatment

A favorite among progressive riders

Spitfire Formula 4 - Lock-Ins Skateboard Wheels - Lock-Ins - 99 Duro Size:52mm and smudge-freeDesigned for skaters who demand edge control and consistent performance, the Lock Ins bring a purpose built asymmetric profilestraight edge on one side for locked grinds, conical cut on the other for effortless slides. Matched with Spitfires Formula Four urethane in 99 duro for lasting speed and flat spot resistance, these wheels are built for tech, ledges and daily abuse. Key Features Asymmetric Lock Ins Profile: Straight edge side locks into grinds;