About this item this rear fork axle with lock nuts is a direct replacement pivot shaft designed specifically for the rz800 electric scooter. It connects the rear fork to the frame, featuring a dual-locking design that ensures a secure, rattle-free fit and restores rear-end stability. Perfect fit for rz800 precision-engineered to match the original axle diameter and thread pitch, this set drops directly into the rz800 rear fork mounting points. Simply slide the axle through and tighten the lock nuts on both ends no modifications required. Eliminate play & clunking a worn or bent rear axle can cause side-to-side movement, clunking noises, and compromised handling. This replacement axle and lock nut set removes excess play, bringing back the tight, planted rear suspension feel for a safer, more controlled ride. Please confirm your part before purchase to ensure this axle is the correct match for your rz800, we recommend contacting customer service and confirming your scooter model before purchasing. Our team is happy to help you verify compatibility.