Seismic Alpha 80.5 mm wheels are made for going fast. Released as a downhill wheel now modified to serve as ultimate Long Distance wheel. The wheel has a high momentum for which results in optimum push and pumping speeds and are made of their fastest urethane.The s-shaped edge profile of the wheel supports the lip which results in ultimate edge to edge grip and the wheels actually have concave. This concave is a little less effective due to the trim but the affect the amount of grip the wheel has. Poured around Seismic their specially designed core which lets the urethane bond ‘mechanically’ with the core. These are made from 85D fiber-reinforced thermoplastic core and are super strong while made made lighter by hollowing out parts which are aesthetically pleasing as well.
Available in three different durometers so you can pick yours for every road condition or personal taste.
• 74A Plum (Chase Hiller 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. Ideal for aggressive racing.
• 78A Mint: Very stiff edges that give loads of grip with a friendly slide and crisp hookup. Ideal for smooth roads and lighter riders.
Diameter: 80.5 mm
Durometer: 74a (plum), 76a (mango), 78a (mint)
Width: 55 mm
Contact patch: 51 mm
Core position: Offset
Usage: Long Distance (LDP)
Edge Shape: Beveled