Spitfire Formula Four Classics 101D 58mm Size:58 but it's also extremely durable

but it's also extremely durable and won't pack out or wear down

materials and lubricant provide the best performance and durability possible

Outershell: 98% Polyester 2% Elastine

Mounts one board

• Max Impact Cage Design- non- distortion custom cage keeps the balls precision spaced & oil circulating

Spitfire Formula Four Classics 101D 58mm Size:58 but it's also extremely durableThese purple Spitfire Formula Four Classics in 101D 58mm deliver hard durometer bite for max speed and clean slides. Solid grip keeps you locked in on street missions. No surprises, just reliable roll that lasts. Hard wheels like these? They make you forget about wheel bite exists. Throw 'em on and skate like you mean it.