The TTT-15423 rear wheel and tyre assembly is an aluminium-centre replacement intended for TAMIYA Tractor Trucks in scale RC use. Sold as a pair (2 pcs), this aftermarket kit replaces the stock rear wheel and tyre units on matching Tamiya tractor truck kits and is presented as an upgrade option.
Design and role: the unit pairs a metal wheel centre with a tyre to enhance scale appearance and deliver a different mechanical feel from plastic centres, affecting both aesthetics and inertia characteristics of the rear axle.
Installation notes: the components are made to fit the kit's rear hub interfaces and standard fastening systems. Installation follows normal wheel replacement steps: remove the factory rear wheel, ensure the tyre is correctly seated on the aluminium centre, and refit using the original hardware while confirming thread engagement.
Tuning and maintenance: aluminium centres change rotational mass and heat transfer relative to plastic parts; check tyre seating and balance the wheels where fine handling is required. Monitor fastener tightness and tyre adhesion after the first few runs.
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