Opera SOS Barbwire 99a 56mm Asymmetrical Skateboard Wheels
Opera SOS Barbwire 99a 56mm Asymmetrical Skateboard Wheels
Skate Setup Size Chart
Use this chart to match decks, trucks, and wheels. Preferences vary by style (street, park, transition). Beginners: wheels about 52–55 mm, duro around 101A.
Deck width
| Deck width | Height | Age | Shoe size |
|---|---|---|---|
| 7.0" & under | 4'4" or smaller | 8 yrs or younger | Kids 5 or smaller |
| 7.1"–7.45" | 4'5"–5'2" | 9–12 yrs | Mens 6–8 |
| 7.5" & up | 5'3" or taller | 13 yrs or older | Mens 9 or larger |
Deck width and riding style
| Deck width | Recommended riding style |
|---|---|
| 7.45" or less | All around riding for kids 14 yrs & under |
| 7.5"–8.0" | Street, technical tricks |
| 8.0"–8.25" | Pools, ramps, parks, & all-around |
| 8.25"+ | Vert, pools, cruising |
Wheel diameter
| Wheel diameter | Use |
|---|---|
| 49–52 mm | Technical street |
| 52–55 mm | All around, geared more toward street |
| 55–60 mm | All around, geared more toward transition |
| 60–65 mm | Transition |
| 65–70 mm | Some transition; many cruiser & longboard |
| 70 mm+ | Downhill longboard |
Trucks and deck (common brands)
| Brand | Truck size | Deck sizes |
|---|---|---|
| Independent | 129 | 7.4"–7.8" |
| Independent | 139 | 7.8"–8.2" |
| Independent | 149 | 8.375"–8.6" |
| Independent | 159 | 8.6"–9.0" |
| Thunder | 147 | 7.9"–8.2" |
| Thunder | 149 | 8.2"–8.4" |
| Thunder | 151 | 8.4"+ |
| Venture | 5.2 / 5.25 | 7.75"–8.25" |
| Venture | 5.8 | 8.25"–8.75" |
| Ace | 22 | 7.0"–7.75" |
| Ace | 33 | 7.75"–8.25" |
| Ace | 44 | 8.25"–8.75" |
| Krux | 8.0 | 7.75"–8.38" |
| Krux | 8.25 | 8.0"–8.5" |
| Tensor | 5.25 | 7.875"–8.175" |
| Tensor | 5.5 | 8.125"–8.375" |
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Bow Shock Marketplace · since 2024
Sold by Long Beach Skate Co on Bow Shock Marketplace —partner skate shops, one checkout. Product details come from the selling shop; checkout is on Bow Shock.
- Packages may ship separately from each shop
- Free US shipping on orders $150+
Opera SOS Barbwire 99a 56mm Asymmetrical Skateboard Wheels
The Opera SOS Barbwire 99a 56mm Asymmetrical Wheels are built for skaters who want more speed and stability without losing control. Featuring an asymmetrical shape, these wheels give you a versatile ride — a squared edge for lock-ins and precision, and a rounded edge for smooth slides and quick releases.
With a 99a durometer, they’re perfect for park and street skating, offering a fast, consistent roll with just the right amount of grip. The 56mm diameter adds a bit of extra speed and clearance, making them ideal for transitions, bowls, and all-terrain setups. Finished with bold Opera “SOS Barbwire” graphics, these wheels look as good as they skate.
Specs:
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Diameter: 56mm
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Durometer: 99a
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Shape: Asymmetrical profile for control and versatility
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Formula: Fast, smooth, and long-lasting urethane
Why you’ll love them:
Fast, responsive, and stylish — the Opera SOS Barbwire 99a 56mm Asymmetrical Wheels are built to handle everything from street lines to park transitions with total control.
