The Arrowmax AM-348045 pinion is a straightforward upgrade for hobbyists wanting tighter gear engagement. Built from high-strength 7075 aluminum, the 48-pitch, 45-tooth design balances durability with precise tooth geometry for consistent performance.
This pinion uses 7075 aluminum to resist wear while keeping weight low, helping your drivetrain maintain smooth power transfer. The accurate tooth profile reduces vibration and improves gear mesh under load.
The 48P 45T spec makes it easy to swap ratios while retaining dependable contact with mating gears, so you can tune for acceleration or top speed depending on track conditions.
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