The Dune Racer Extreme versions use different wheels than other Dune Racer models. The sticker with the model number on a Dune Racer is located inside the hood compartment.

Extreme Models DML91, DWR12, FLM96 and FLN93 use the K8285 wheel. Two right side wheels (part number K8285-2039) and two left side wheels (part number K8285-2239)