This RC-scale lean bar wheel set is built for the LOSI Promoto-MX 1/4 scale motorcycle platform. The assembly uses CNC-machined alloy components engineered to retain shape under impact while allowing controlled flex for realistic leaning behaviour on a model bike.
The components are intended for areas that need predictable movement and impact resistance during setup tuning or durability improvements on RTR Promoto-MX units. Fitment note: these wheels and associated hardware replace the factory lean bar assembly and serve as a tuning item to adjust lean response and long term durability without changing electrics or the drivetrain.
Installation tips: confirm fit with the listed Promoto-MX RTR part numbers, check bearing and shim orientation, and tighten fasteners carefully to avoid over-clamping which can limit designed flex. Use standard RC hand tools and align to chassis mounting points; no special fixtures are required.
LOS264003
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