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1-2 YEAR WARRANTY ON ALL PRODUCTS!
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75.5mm tall x 62.5mm wide ALPHA Wheels
62.5mm running surface • Bearing seat offset 6% • Square outside edge, straight-cut inside edge
7.8 oz. each • Sold in sets of FOUR wheels
Available in two proprietary formulas –
BlackOps™: ultimate balance of speed and grip • extreme traction fresh • buttery and smooth broken-in • comfortable and predictable
Defcon™: Guinness WR speed • directional slide • long-lasting grip • slow, consistent wear
A giant step forward in race wheel engineering. The Alpha’s stout S-shaped edge profile optimizes lip support, maximizes traction under extreme G’s, and ensures predictable slide initiation and hookup. The running surface features a 0.5mm concave that pre-loads the edges, heightens rebound, and enhances in-slide feedback. The bearing seat is offset 6% for progressive lip engagement and more consistent wear.
The Alpha™ also marks the debut of Seismic’s proprietary Fusion™ core – at 46mm tall x 44mm wide, the largest and most supportive hub ever seen in a wheel this size. Features include a deep “saddle” profile, 8 perpendicular support beams (hollowed-out for lightness and aesthetics), and robust bearing lugs. The Fusion minimizes lateral wheel flex, supercharges edge support, and assures absolute mechanical lock with the urethane. Formed from 85D fiber-reinforced thermoplastic – the toughest hub material in the industry.
Durometer: 76A (Mango) 77A (Blue)
Diameter: 75.5 mm
Width: 62.5 mm
Contactpatch: 62.5 mm
Surface: Non Stone Ground
- Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Czech Republic, Romania, United Kingdom, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine
- 2-5 working days
- Express and secure delivery with the carrier DPD
- Only for orders over 150€
- Only for the following countries: Austria, Belgium, Czech Republic, Denmark, France, Germany, Hungary, Ireland, Italy, Luxembourg, Netherlands, Poland, Slovakia, Slovenia, Sweden, Switzerland, United Kingdom
- 2 years warranty on parts and 1 year on battery
- Our electrical products are waterproof for fine rain and wet roads, the guarantee will be canceled if you ride in puddles and / or during heavy rain, we have carefully prepared with a great care a list of instructions to respect to ensure the long lifetime of your product.
- 1 year legal warranty on manufacturing defects