Spitfire Formula 4 - Lock-Ins Skateboard Wheels - Lock-Ins - 99 Duro Size:53mm 1 Internal velcro pocket

1 Internal velcro pocket

Carbon stringers are placed in a V pattern in the tip and tail to increase response from the bindings to the contact points

the Skate Slip-On holds its shape and handles abuse while still keeping that easy-on

The Robin Hood isn’t just a fleece — it’s your co-conspirator in the powder heist of the year

Spitfire Formula 4 - Lock-Ins Skateboard Wheels - Lock-Ins - 99 Duro Size:53mm 1 Internal velcro pocketDesigned 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;