The Tamiya 53117 RD 0.4 Steel Pinion Gear Set is aimed at modelers who need durable pinions for 1/10 on-road drivetrains. Included are two hardened steel pinions with 26 and 27 teeth designed to stand up to regular running.
These pinions are made for use with 0.4 module spur gears and will produce reliable mesh when set up correctly. Steel offers improved strength over softer materials, but correct alignment and mesh are still essential.
The kit ships with both pinion gears plus a hex wrench and three grub screws so you can fit them securely and return to running with minimal fuss.
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