For bashing and off-road racing, reliable wheel retention is essential to avoid pit stops. The Yokomo Z4-010FNLA M4 Reverse Thread Axle Nut stops the left wheel nut from undoing after sudden tyre stoppages on landings.
Designed to counter the usual loosening that follows hard landings, this reverse-thread nut improves uptime. Pair it with the correct left-side reverse axle for best results on rough courses.
Although optimised for the B-YZ4 chassis, the nut is compatible with many off-road models that accept left-side reverse threading, so it is a useful part to keep in your spares kit.
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