If you want crisper handling from a 1/10 scale touring car, the Yokomo ZR-039MA Medium Mold Inner is built for medium narrow tyres measuring 24mm. Its ultra-thin profile creates a small gap between the inner and tyre sidewall to boost contact with the track and improve traction and steering feel.
The Yokomo ZR-039MA helps tyres maintain consistent surface contact during high-speed corners and transitions. That added stability reduces mid-corner push and gives more predictable responses when you dial in your setup.
This insert is compatible with MRTC-YD2 and MRTC-YD2CK chassis, making it a direct option for drivers who want a straightforward grip upgrade without changing tyre profiles.
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