The Kyosho UB017 main chassis is fabricated from 7075 aluminum to give the Ultima RB7.5 a tougher structural base. Engineered to cope with hard use, it helps preserve handling balance while resisting damage during spirited running. The UB017 is a straight swap for Ultima RB7.5 applications, improving the car's overall composure.
7075 aluminum delivers an excellent strength-to-weight profile, and the UB017 uses that trait to provide a reliable mounting plate for electronics and suspension. Tight manufacturing tolerances ensure the chassis aligns correctly for repeatable setups and dependable performance on the track.
With reduced flex, the Kyosho UB017 gives clearer feedback through the steering and throttle transitions. That predictability helps drivers maintain momentum and nail consistent lines lap after lap.
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