Seismic Alpha LDP Wheels 80.5mm Defcon
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SEISMIC ALPHA LDP/DH WHEELS - 80.5mm/61mm - Defcon - Three Duros (One pair/2 wheels) SEISMIC ALPHA LDP/DH WHEELS - 80.5mm/61mm - Defcon - Three Duros (One pair/2 wheels)
Purchase SEISMIC ALPHA LDP/DH WHEELS - 80.5mm/61mm - Defcon - Three Duros (One pair/2 wheels)
  • SKU: SKSMC132A
    SEISMIC ALPHA LDP/DH WHEELS - 80.5mm/61mm - Defcon - Three Duros (One pair/2 wheels)

  • $52.00 HOT

    Shipping Weight: 1.50 pounds

    Quantity in Basket:  None

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Seismic - Alpha LDP/DH/Cruising Wheels - 80.5mm tall / 61mm wide - Sold in pairs/2 wheels to allow durometer mixing at your convenience

Currently available in 61mm width:

  • 80.5mm tall x 61mm wide: Superior top-end roll speed, traction, and braking power… with surprising quickness and agility for a wheel of this heft! 60.5mm running surface • Bearing seat offset 3.5% • Square outside edge, straight-cut inside edge

Features:

• Finely-calibrated width and supremely supported edges for smooth, predictable handling through even the hardest corners.

• The very fastest urethane that the skateboard industry has ever seen, bar none.

• Named after the Greek letter “alpha” (α), used in science to represent rotational acceleration.

• Stout S-shaped edge profile optimizes lip support, maximizes traction under extreme G’s, and ensures predictable slide initiation and hookup.

• Running surface features a 0.5mm concave that pre-loads edges, heightens rebound, and enhances in-slide feedback.

• Bearing seat offset 3.5% – 6.5% for progressive lip engagement and more consistent wear.


The Fusion™ core – integrating 15 years of advanced hub R&D

• 46mm tall x 44mm wide – the largest and most supportive hub ever seen in a wheel this size.

• Deep, wide “saddle” profile regulates lateral wheel flex, supercharges edge support, and ensures absolute mechanical lock with the urethane.

• 8 lateral support beams (hollowed-out for lightness and aesthetics) form wide ridges that create unprecedented circumferential lock and rebound.

• Robust bearing lugs.

• Formed from 85D fiber-reinforced thermoplastic – the toughest hub material in the industry.


Available in DEFCON™ ultra-high-rebound formula, in two finely-tuned durometer choices

Thoroughbred race ‘thane • Guinness WR speed • directional slide • long-lasting grip • slow, consistent wear

• 74A Plum (Aaron Hampshire pro signature wheel): Plush, velvety roll with extra edge hold, even on rough roads. Aggressive yet smooth slide with faster braking.

• 76A Mango: Vice-like grip and very snappy directional slide, with plenty of slowdown power. 

• 78A Mint: Very stiff edges that give loads of grip with a friendly slide and crisp hookup. Ideal for smooth roads and lighter riders.

Sold in sets of two wheels for duro mixing convenience. For highest performance, use a softer duro at the tail (where thrust is generated and grip is most critical) and a harder duro at the nose (to optimize roll speed).

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