Tamiya 42154 Transpeed B-less 21.5T Crawler Motor  [42154]

Tamiya 42154 - Transpeed B-less R Stock 21.5T
Price:
NZD$181.77
Brand:
Tamiya
Model:
42154
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Focused Crawl Performance with Tamiya 42154

The Tamiya 42154 Transpeed B-less R Stock 21.5T motor is created for enthusiasts who prioritise torque and control at low rpm. It delivers smooth, predictable power that helps you negotiate technical obstacles with confidence.

Torque Where It Counts

Using a powerful neodymium magnet, the Tamiya 42154 supplies the low-speed grunt needed for rock crawling. The pre-wired JST connector speeds installation and keeps wiring tidy, making setup straightforward for trail use.

Designed for CR-01 and Similar Platforms

This motor suits the CR-01 chassis and other slow-speed models, offering a KV rate of 1,600 that balances torque and efficiency for methodical crawling rather than top speed runs.

Specifications

  • Magnet Type: Neodymium
  • KV Rate: 1,600
  • Connector Type: JST

For trail and technical crawling, the Tamiya 42154 is a reliable choice that improves low-end power and throttle precision.

Which batteries pair well with this motor?

Use low to mid voltage LiPo or NiMH packs rated for steady current output. Focus on battery packs that provide smooth power for low rpm torque without spiking voltage.

Should I change gear ratios for more torque?

Lowering pinion size or using a smaller gear ratio can increase wheel torque. Tune gearing to match your terrain and avoid overloading the ESC or motor.

How do I keep the motor running reliably?

Keep connections clean, monitor temperatures during long climbs, and ensure proper gear mesh to reduce stress. Regular checks prevent unexpected failures on the trail.

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