This is an RC-scale replacement wheel hex hub intended for use on TAMIYA TT-02 chassis setups. The hub is aluminum and specified as a 12mm wheel hex with an integrated locker feature, provided in light blue finish for visual identification.
Functionally the part replaces the standard wheel hex/adapter to provide a metal mounting point between the wheel and axle, serving wheel retention and positional repeatability during routine maintenance or tuning. The aluminum body offers different wear characteristics compared with common plastic hexes, useful when swapping wheels frequently or testing setup changes.
Installation overview: remove the wheel and existing hex adapter from the TT-02 wheel assembly, fit the aluminum hex into the hub area, align the locker mechanism with the wheel mounting interface, and reattach the wheel following the chassis' original fastening sequence. Confirm wheel runout and secure fit before running the model.
Tuning role: use this hub when you need a stable metal interface for repeated wheel changes or when exploring small wheel position adjustments; it is a component-level upgrade aimed at wheel mounting reliability rather than a change to suspension or drivetrain geometry.
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