FR Urban Freestyle Wheel 110mm/82A - White (Single) meta-filter-Find-Rockered and you don't need tools

and you don't need tools to change the size

FR Speed 110mm/85a Wheels

Go Bald or Go Home

Although the traditional rocker can be created by skating 76mm wheel on the outside and 80mm wheels on the inside this frame makes the purchase of new wheels much easier and allows an increased life for your wheels because you can rotate 8 interchangeably instead of two sets of two on each skate

From Rollerblade:

FR Urban Freestyle Wheel 110mm/82A - White (Single) meta-filter-Find-Rockered and you don't need toolsThese wheels are slightly softer compared to the FR URBAN SPEED wheels, which is a better option for FReestyle Slalom. They are especially designed for the FR FReestyle Frames, to meet the riders' needs to perform even better. Sold individually.