Wheels

For derby skating, the wheels on the skate are an important consideration. If you are interested in learning more, this website has some good considerations.

Not all wheels are the same, but it isn't complicated either.

Stick to 59mm x 38mm wheels.
For most skaters, a 90-92 hardness is a great all-around indoor wheel. A Riedell Halo (91) is a good wheel
Advice can vary skater to skater based on their weight, skating skill and aggressiveness, playing surface, and if they want to block or jam more. Ask a coach and more info is provided below.
Wheels are usually sold in 4 packs - two packages will give a full set of 8 wheels. A full set runs $100-130 (as of 2025).

Size

Wheels will often be sold with a set of numbers that refer to the size of the wheels in height and width. RJR recommends using wheels that are 59mm x 38mm. It's important that all 8 wheels are all the same size! Small wheels, often used in skate dancing, are not suited for roller derby.

Hardness

Not all wheels are the same!! Wheel have an additional number after the size, the "hardness" of the wheel. Lower numbers mean the wheel is more rubbery and "sticky". High numbers are firmer wheels, or "slicker". If your wheels are too sticky, it may be difficult to move the skates in directions other than forwards and backwards. For derby, this hinders your ability. Many skaters, over time, obtain two sets of wheels, plus a third if they skate outdoors. As long as they are the same size, wheels of different hardness can be mixed.

For skating at United Skates (with a recently polished floor), look for hardness of 90 or higher

Any of these wheels will be great for your skates. (Links to Amazon, but can be purchased elsewhere)

Mixing Wheels

The chart to the right shows some common mixed wheel setups. This can help a skater add a little grip, or add a little slide to their skates, without swapping out all 8 wheels at the same time.

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