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Titanium Racing release a new range of pinions designed specifically for modern brushless motors. Featuring a longer but lightened boss for improved concentricity and an advanced F1 motorsport ceramic polymer coating for incredibly low friction, the pinion has 60% lower friction than that of hard anodized pinions. Manufactured from ultrasonically tested aero-grade 7075T-6 alloy, these claim to represent a giant leap in pinion gear technology. Tested on all modern touring cars, with all of the popular spurs, they run virtually silently. Available in both 48P and 64P.
Source: Titanium Racing (http://www.titaniumracing.com/) [titaniumracing.com]
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If they carried some 5mm x 48 pitch gears that would be nice too.