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Don’t let the name Mango and Mint fool you into complacency. This is a fast wheel.

Seismic are one of the few wheel makers that use their own formulas. The wheel factories all have standard urethane they offer to everyone, and most brands don’t have the skill or patience to test and make their own urethane. This is why so many wheels feel the same, because they are!. Seismic have created a new urethane that should be called “reach for the toilet paper fast” thane. They call it Defcon.

These wheels are explosively fast with predictable grip to slip.


  • Diameter: 69mm
  • Width: 52mm
  • Contact Patch: 52mm
  • Durometer: 80a
  • Lip Profile: Sharp
  • Core Placement: Offset
  • Wheel Surface: Smooth
Weight 3 kg
Dimensions 17 × 7 × 17 cm

78a, 81a, 84a

Kats Rack