3RACING 3RAC-N40/SI Precision 4mm Aluminium Lock Nuts 10 Pack  [3RAC-N40/SI]

3RACING 3RAC-N40/SI Lock Nuts for Tuning and Reliability

These 4mm aluminium lock nuts from 3RACING are intended for precision fastening where consistent clamping and re-tuneability are important. They suit teams and tuners who need predictable hardware behaviour during setup changes.

Material and Performance Notes

Aluminium offers a weight advantage while maintaining adequate strength for typical RC suspension and hub applications. The 4mm form factor integrates with many aftermarket and OEM components, aiding quick part swaps and setup iterations.

Application Guidance for Racers

Use these nuts on wheel hubs, linkages and brackets where vibration can alter geometry. For competition use, inspect threads regularly and pair with appropriate thread locker or locking methods depending on service frequency.