The Retros are Bones Skateboard Wheels with the STF, Street Tech Formula urethane mixture, which is one of the best formulas currently on the market
STF has good slide properties and is extremely durable
The V5 Sidecut Shape is conical cut saves weight and makes it easier to lock into grinds
With 103A the wheels are normal hard
Diameter 55mm, width 31mm
Set of 4 wheels
Made in USA
Wheel Durometer | 103A |
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Brand | Bones |