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In the past you sacrificed grip and control for speed and it may have left you kissing hay-bails in downhill comps. Sector 9 worked with team riders and speed-junkies to create the first true dual durometer wheels—behold the Race Formula Wheels. Those with a fearless disposition can carry speed into turns and hold lines like never before, thanks to the slightly softer outer urethane layer over a harder core.

  • 78a Wheels have 80a inner durometer
  • 80a Wheels have 85a inner durometer
  • 82a Wheels have 90a inner durometer

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Sector 9 Skateboards Race Formula Wheels - 77mm

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Unanswered Question

Will the Sector 9s handle woodchip debris?...

Will the Sector 9s handle woodchip debris? If not which do?

Unanswered Question

can you drift with these?

can you drift with these?

5 5


I rode the 78a's on my s9 spoontail and it was a magical combination. They did chip a little bit on the edges but I rode them extremely hard. Great grip when you need it, but they will get loose when you really push into them. No complaints at all with this wheel. They did offer a pretty smooth ride even on unfavorable surfaces.

5 5

Great wheel

The race formula urethane has a higher rebound rate than normal urethane. This means that the wheels "come back to center" faster than normal which makes for quick toe-to-heel carving with security beneath your feet. The 82a durometer wheels slide really nicely.

5 5

I like them

they've got just enough softness to absorb even the worst ride while still keeping it's speed. they're alright for sliding and wicked fast if you've got good bearings.