Spitfire Formula Four Lock-In Full 54mm 99D Wheels Size_9.5 locked-in tongue straps and a

locked-in tongue straps and a recut of the Duracap underlay

No break in period

Variant Rarity: Includes Original 40%

Weatherproof front zipper pockets

Spitfire Formula Four Lock-In Full 54mm 99D Wheels Size_9.5 locked-in tongue straps and aSpitfire Formula Four Lock In Full 54mm 99D Wheels The Spitfire Formula 4 Lock In 99a Wheels are an asymmetrically shaped wheel designed for more control. A conical cut on one side with a straight edge cut on the opposite built for precise lock in grinds. Tested by Spitfire Team riders, Formula Four Performance Urethane lasted longer, withstood more abuse and performed superior to all other wheels. Spitfire Formula Four Urethane was developed to