This is an RC-scale rear universal bone designed for the YZ-2 family of 2WD off-road cars. The part is listed as Yokomo Z2-010RB and is intended to serve as a direct rear driveline replacement where standard rear dogbones are used.
Functionally, the rear universal bone transfers drive from the differential to the rear hubs and affects driveline feel and rear traction response. Use it as a like-for-like replacement when the original rear universal bone shows wear or when checking driveline play during setup and tuning.
Installation notes: confirm the rear driveline length and end-fit before reassembly, verify clearance through full suspension travel, and check retaining hardware torque per your chassis manual. This item is supplied as a single packaged unit and corresponds to the 60.5mm length indicated in the product name.
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