The Tamiya 54023 - RC DB01 37T Front One-Way Pulley gives hobbyists a targeted option to refine belt-driven 4WD Tamiya models. It lets drivers adjust front driveline behaviour without buying the full Front One-Way Set.
This 37T pulley fits TRF501X, DB01, and TRF416 chassis and is aimed at improving corner entry and traction feel. When fitted correctly it can make steering response more predictable on twisty tracks.
Fitting the Tamiya 54023 pulley is straightforward with basic tools and a tidy work area. Follow the chassis-specific guidance and check belt alignment after fitting for best results.
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