# Seismic -75mm Urchin 80a, 82a(Smooth surface)

[Chase Hiller The Big Urchin](https://vimeo.com/278542702) from [Seismic Skate Systems](https://vimeo.com/seismicskate) on [Vimeo](https://vimeo.com).

**Specs:**  
Height: 75mm  
Durometers: 80a, 82a  
Formula: Elixir  
Contact Patch: 48mm  
Hub Setting: Off Set  
Edges: Radiused outside edge  

Sold in sets of FOUR wheels.  

Ideal for fast freeride, the 75mm by 48mm Urchins love goin’ FAST, gettin’ sideways, and rippin’ corners!  
• height and width perfectly balanced for modern all-around riding  
• slide release that’s smooth, easy, comfortable, and predictable  
• amazing in-slide feedback and control, bleeding just the right amount of speed  
• secure, comfy hookup  
• vibrant ‘thane lanes  
• consistent wear

**Elixir™**: smooth, predictable slides (even on concrete) • easy release and hookup • supreme control • bright ’thane lines

Molded around our advanced Mini-EC hub – preserves ample tire thickness while saving over ½-ounce per wheel, stiffening the inside edge, and super-charging inside edge rebound.  Translation: Better roll speed, more predictable handling, and better slide control!

## Details

- **Price:** 628.0 HKD
- **Vendor:** Seismic
- **Type:** Wheels
- **Tags:** 75mm, 80a, 82a, Freeride wheels, Round&Beveled, Seismic, Ungrounded, Wheels

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Yellow (80a, Elixir) | 628.00 HKD | In stock |
| Red (82a, Elixir) | 628.00 HKD | In stock |

## Images

- Seismic -75mm Urchin 80a, 82a(Smooth surface)
- Seismic -75mm Urchin 80a, 82a(Smooth surface)

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> Source: [SBDW Longboards Hong Kong](https://sbdwlongboards.com/products/seismic-75mm-urchin-80a-82astoneground-surface)
> Updated: 2026-04-20