Sector 9 Race Formula Offset Longboard Wheels
Sector 9

Sector 9 Race Formula Offset Orange Longboard Wheels - 70mm 82a (Set of 4)

Item # 1WSEC0RF70O82OO

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Product Description

 70mm/82a Sector 9 Race Formula Offset Longboard Wheels

Longboards are meant to go fast while mimicking the style and freedom of a surfboard. For the ultimate ride, you need the ultimate wheels, and these brand new  Sector 9 wheels are it. Made from high-quality materials and built to last, they measure 70mm in diameter, 82a in hardness, and will provide a smooth ride. Sector 9 Race Formula Offset Longboard Wheels are sold in (1) set of four (4) wheels.

Note: bearings not included.


  • One (1) set of 70mm Sector 9 Race Formula Offset Longboard Wheels; includes four (4) wheels
  • Diameter: 70mm
  • Durometer: 82a
  • Color: Orange

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How to Buy Longboard Wheels

Wheel size and hardness

It is extremely important to choose the correct wheels when assembling your board. Longboard wheels tend to be larger than standard skateboard wheels, and usually ride better on rougher surfaces. This allows riders to reach a higher top speed compared to riding smaller wheels. The durometer for longboard wheels usually range from 75a to 90a.

What size diameter longboard wheels do you need?

Longboard wheels vary in color, size, and durability. Longboard wheels are most commonly made of polyurethane. The diameter and durometer of the wheel affect the way the longboard rides. The diameter and durometer are a matter of personal preference and skating style.

Longboard Skateboard and Cruiser Wheels

Diameter is the size of the wheel when measured from top to bottom. All longboard wheels are measured in millimeters (mm). The smaller the number, the smaller the wheel. Smaller wheels are slower; bigger wheels are faster.

54-59mm Average wheel size for beginners and bigger riders skating street, skate parks, bowls, and vert ramps.
60mm + Specialty riders skating longboards, old-school boards, downhill, and dirt boards; made for speed and rougher surfaces.

What durometer longboard wheels do I need?

Durometer measures the wheel’s hardness. Harder wheels are faster; softer wheels are slower but have better grip.

Longboard wheel durometer is usually measured on a Durometer A Scale which goes from 1-100 to measure hardness. Some companies use the B Scale which measures 20 points lower, allowing the scale to be extended by 20 points for harder wheels. For example, an 80b durometer is the same as 100a durometer. These skateboard wheels have a larger and more accurate range of hardness. The average wheel durometer is 99a.

78a-87a Soft wheel good for rough surfaces, longboards, or street boards that need lots of grip to easily roll over cracks and pebbles. Designed for smooth rides, cruising, longboards, hills, and rough surfaces.
88a-95a Slightly harder and faster with a little less grip, but the grip's still good. Good for street and rough surfaces.
96a-99a Nice speed and grip-- an all-around good wheel. Great for beginners skating street, skate parks, ramps, pools, and other smooth surfaces.
101a + Hardest and fastest wheel with the least grip. Ineffective on slick and rough surfaces. These are pro wheels.
83b-84b Wheels using the B scale are extremely hard, measuring 20 points lower than the the A Scale in order to allow the scale to extend another 20 points for harder wheels.

Wheel shape

Longboard skateboard wheels also come in many different shapes to suit various riding styles. Wheels with rounded lips are better for cruising, freeriding, and sliding, rather than downhill racing. Having a rounded lip allows the wheel to enter into slides with ease. Having the rounded lip when racing may create issues, because the edges will not grip the street when turning. Wheels that have straight edges rather than a round edge are typically designed to give riders more grip and control. Straight-edged wheels work great for downhill racers that need to grip the street.

Wheel bite

Wheel bite occurs when your deck and wheels rub together. It usually occurs when you are turning hard or when you land a trick, and you stop immediately upon impact. Wheel bite can leave an indent where the wheels and deck meet. To prevent this from happening you should look into assembling your board with riser pads or medium to high skateboard trucks.

Take a look at our insane amount of longboard wheels currently in stock.
If you still have questions about longboard wheel sizing, please visit our Longboard Wheels Buying Guide.

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