Opera SOS Fire Mask 99a 58mm Hardline Conical Skateboard Wheels
Opera SOS Fire Mask 99a 58mm Hardline Conical 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" |
Couldn't load pickup availability
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 Fire Mask 99a 58mm Hardline Conical Skateboard Wheels
The Opera SOS Fire Mask 99a 58mm Hardline Conical Wheels deliver the perfect mix of speed, control, and durability — built for skaters who charge hard in the streets or park. Designed with a classic conical profile, these wheels offer a stable riding surface with smooth slide control and consistent performance on every session.
With a 99a durometer, they’re firm enough for technical street skating yet still forgiving enough to handle rougher spots. The 58mm diameter keeps your setup fast and responsive, ideal for skaters who like a bit more roll and pop. Finished with bold Opera “SOS Fire Mask” graphics, these wheels bring heat to your setup in both performance and style.
Specs:
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Diameter: 58mm
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Durometer: 99a
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Shape: Hardline Conical
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Formula: Smooth, fast, and durable urethane
Why you’ll dig them:
Fast, grippy, and built to slide when you need it — the Opera SOS Fire Mask 99a 58mm Hardline Conical Wheels are all about control, consistency, and style that stands out.
