Spitfire Wheels: F4 99a Conical Coal Headwear We love color

We love color

layered laminate has added elastomer stringers between the 0 degree and 90 degree glass fibers (the length of the effective edge)

Now with All-Trac cold weather rubber compound

Dial in the fit with the Dual BOA Fit System featuring the TX3 lace

Forma X Ankle Strap – Exoframe exterior for instant response

Spitfire Wheels: F4 99a Conical Coal Headwear We love colorOverview KEEPING THE UNDERGROUND LIT Ride the fire with the Spitfire Formula 4 Radial Full 99a Wheels. Designed with your favorite classic Spitfire Classic wheel designs and manufactured with the quality high performance, Formula Four urethane. Formula Four Urethane lasts longer, withstands more abuse and performs superior to all other wheels. Designed to combine all the desired properties of a performance wheel without sacrificing any one attribute