3RACING CRA-131 Crawler Ex Real Performance Swing Outer Shaft  [CRA-131]

3RACING Crawler Ex Real Swing Outer Shaft - CRA-131
Price:
USD$5.60
Brand:
3Racing
Model:
CRA-131
Condition:
Brand New
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Race-oriented swing outer shaft for tuned crawler rigs

The 3RACING CRA-131 is produced with strict dimensional control to support competitive setup work on Crawler Ex Real chassis. Its form and finish aim to reduce tolerance stack and deliver predictable axle behaviour under load.

Technical notes and performance focus

  • Brand Compatibility: Engineered to match the 3RACING Crawler Ex Real specifications for direct replacement and reliable geometry.
  • Durability: Material selection and finishing address impact resistance and surface fatigue for frequent high-load cycles.
  • Precision Fit: Tight machining tolerances lower free play and improve repeatability during setup adjustments.

How does this shaft affect axle backlash?

By delivering a tighter fit at the swing joint, the CRA-131 reduces cumulative backlash, which improves steering precision and repeatable traction during timed runs.

What inspections should race teams perform?

Teams should verify concentricity, check for microfractures after heavy impacts, and confirm that fastener torque is within spec before each event day.

Is any dimensional tuning recommended?

Minor shimming can be used to fine tune swing geometry for specific link lengths and roll centres, but always measure and document changes to maintain repeatability.