Use 3Racing 3RAC-NS40/TI locknuts where secure joints are essential. The serrated contact face is intended to reduce unwanted loosening and maintain steady clamp force across repeated sessions.
The serrations increase friction at the bearing surface so that shocks and vibration are less likely to back off the nut. This stability can reduce roadside adjustments and improve reliability during longer runs.
The combination of lightweight construction and robust material lets hobbyists tighten critical parts while keeping overall mass down, an advantage when refining handling or acceleration.
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