The FXX comes in 2 hardnesses 92a and 96a, with amazing rebound and wear properties. They are super fast and phenomenally grippy while still allowing you to skid to a stop instantly. The 59x38mm size lets you change speeds quicker, making them the perfect choice for derby skating. The 62x44mm size gives you a larger surface for longer pushes for maximum power, making them the best choice for speed skating.
Size and Hardness:
- Derby 59 x 38mm – Black 92A, Blue 96A
- Speed 63 x 42mm – Red 92A, Yellow 96A
Sold as a set of 8