This 86-tooth spur gear is specified for the TAMIYA BBX BB-01 chassis and serves as a metal replacement for the standard nylon gear. The medium carbon steel profile improves resistance to wear while maintaining the BB-01 mesh and stack requirements.
Install this spur when you need improved durability or a more consistent setup for frequent running. Check mesh and pinion alignment carefully during installation to avoid premature wear on mating gears and bearings.
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