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Seismic ALPHA Longboard Wheels, 75.5mm


The Current Race Favorite

Seismic Alphas hands down are the longest lasting race wheels on the planet. While everyone else in the race scene is swapping wheels every run, Seismic team rider, Chase Hiller, only swaps wheels once or twice per weekend.

These wheels have a SUPER long lasting skin, a cambered lip profile for extra grip, an ultra grippy urethane formula, when fresh, as well as, a super buttery slide, when broken in. If you're looking for the best bang for you buck this race season... GET ON SOME ALPHAS DAWG!

The familiar names of Black Ops and DefCon are back with a new lip profile that seismic claims to be a giant leap forward in race wheel engineering. .

Use the Black Ops thane for:

The ultimate balance of speed and grip: extreme traction fresh, buttery and smooth broken-in, comfortable and predictable slides.

Use the DefCon thane for:

Peak speed and extremely long lasting grip. Whether you're racing or taking 20+ runs down the 🐟 and don't want to swap wheels, these are the wheels for you.

Designed for: 
Downhill | Racing | Beating All of Your Competitors


    • Diameter: 75.5mm
    • Width: 62.5mm
    • Contact Patch: 62.5mm
    • Durometer: 76a | 77a | 78a 
    • Lip Profile: Sharp
    • Core Placement: Offset
    • Contact Patch Surface: Smooth, Grippy

    Comes in 3 Colors:

    76a - Blue | 78a - Mango | 80a - Mint

    Have Questions?Ask An Expert


    Stoked wants you stoked. We offer hassle-free returns within 30 days on brand new, resellable, and unused products without restocking fees.

    In most cases, return shipping will be your responsibility. We can offer affordable return labels upon request.

    Returns that are used or opened are subject to a restocking fee. Used, open box, and mystery products are all final sale.

    Seismic ALPHA Longboard Wheels, 75.5mm
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