Wheels are measured in 2 ways - the size and the hardness.

Smaller wheels are lighter and easier to maneuver, larger wheels are faster and more stable.

A higher durometer means a harder wheel (97-103a) slides more and is better for tricks.  Lower durometer (78-87a) is softer and more suited for cruising.

Please note that Bones STF and SPF wheels use a "B" durometer scale and are all on the harder side, and 81-84b Bones wheels are similar to 99-103a durometer.

Have any questions, or need suggestions on anything?  Send us an email at we'd love to help you get rolling!

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