Spitfire F4 Lock-In 101D Wheels 55mm 7T Whether you're just starting out

Whether you're just starting out or an experienced skater

They're pro-caliber three-layer storm bibs made for layering to match the weather

Endura® shell construction features an injection-molded ABS exterior for long-lasting durability and ding-resistant strength

It's a bit of a puzzle

Spitfire F4 Lock-In 101D Wheels 55mm 7T Whether you're just starting outDesigned to last longer, withstand more abuse and perform superior over all other wheels. The Spitfire Formula 4 Lock Ins are manufactured using a 100% pure urethane compound, Formula Four wheels out performed and resisted flat spots longer with less wear than all other wheels. With an asymmetrical shape and design featuring a conical cut profile opposite a straight edge side. The idea behind this is to give you extra scope to lock your wheels and