Spitfire F4 Lock-In 101D Wheels 55mm 7T and a standard athletic fit

and a standard athletic fit

Approved by Nyjah: Nyjah branding is all the validation you need

No matter if it's steel or concrete

but is still capable of tricks despite the girthy size

It's a bit of a puzzle

Spitfire F4 Lock-In 101D Wheels 55mm 7T and a standard athletic fitDesigned 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