The Kyosho UM716 Crank Arm Set is targeted at ULTIMA RB6 owners seeking tighter steering response and long-term reliability. These crank arms are produced to match the RB6 steering geometry and stand up to frequent track use.
Fitting the UM716 reduces slack in the linkage and sharpens turn-in, giving clearer driver feedback. That makes tuning easier and helps deliver consistent lap times when you dial in the setup.
When installing, double-check alignment and secure all fasteners to the recommended settings. Simple maintenance checks will keep the steering assembly operating predictably and avoid mid-session surprises.
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