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Spitfire

57mm Formula Four Lock-Ins 99a Skateboard Wheel

57mm Formula Four Lock-Ins 99a Skateboard Wheel

Regular price $45.98 USD
Regular price Sale price $45.98 USD
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Size

Grind confidently with the Spitfire Formula Four Lock-Ins Skateboard Wheels. The Spitfire Lock-In shape features a familiar conical cut profile with a straight edge on the other side in order to lock into grinds for reduced slipping. Poured with Formula Four Urethane in a medium profile with a smooth surface. Sold as a set of four in multiple sizes and durometers.

Surface
  • Smooth
Quantity
  • Set of 4 Wheels
Wheel Profile
  • Medium
 
Key Features
  • Formula Four Urethane
Wheel Shape
  • Lock Ins Cut
Durometer
  • 99a

FEATURES

SURFACE

Smooth - Smooth wheels come with a shiny coating on the riding surface that feels grippy at first, but wears away quickly.

WHEEL PROFILE

Medium - Your classic wheel shape, versatile all-around wheel for street/park skating.

KEY FEATURES

Formula Four Urethane - Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti-slick slide and a longer lasting size and shape.

WHEEL SHAPE

Lock Ins Cut - Asymmetrically cut, you can get the benefits of conical outer walls while the inside wall is cut straight, giving you a flat surface to lock in your grinds.

DUROMETER

99a - Offers more grip than harder wheels and more slide than softer wheels. Great for slick surfaces when you want more control.

SPECS

SIZE 57MM
DIAMETER (MM): 57.0
WIDTH (MM): 37.4
RIDING SURFACE (MM): 24.7
SUGGESTED RISER SIZE (IN): 1/8 - 1/4
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