The Yokomo YOKZCTB39 is a pair of 39mm titanium turnbuckles made for scale RC linkage duties. As precision tie-rods they enable small, repeatable length changes between rod ends and ball cups without fabricating new fixed rods.
Titanium brings corrosion resistance and a weight advantage versus conventional steel turnbuckles, aiding consistent steering and suspension behavior during multiple track runs. Still, inspect joints periodically for wear and secure fitment.
Fitting is performed by threading the turnbuckle into your model's rod ends or ball cups, adjusting to the target length, and securing the assembly using the rod end geometry your setup employs. Because thread pitches and ball cup types vary, check the 39mm overall length against your current parts prior to installation.
Setup tip: employ the adjustable length to dial in toe, steering throw, or anti-squat in measured steps; having two matching pieces allows you to make symmetric adjustments across an axle for side-by-side comparison.
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