This aluminum rear underguard is produced for the TAMIYA Hornet EVO 58742 chassis and listed as JR-THNE03-LB by Jazrider. It is supplied in an anodized blue finish and designed to bolt under the rear lower section to shield the chassis and influence rear stiffness.
As a protective plate, the underguard helps prevent wear from track contact and impacts while altering the lower rear flex characteristics to aid handling refinement. Fitment notes stress that the part is specified for Hornet EVO 58742 and should not be assumed to fit other models without checking mounting geometry.
On installation the plate uses the existing rear mounting points and retains standard fastener locations and clearances. Fitting generally involves swapping out the factory plastic cover for the aluminum unit and verifying there is no contact with suspension or bumper movement.
Tuning note: substituting plastic for aluminum increases lower rear stiffness, which can yield a more planted feel on high-speed sections but may amplify responses to small hits. Adjust shock and roll bar settings as part of setup changes to keep handling balanced.
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