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Continue to ChatGX250 Rear Axle - PBC673XL - https://www.electricbikeusa.net/gio-bike-parts-master-catalogue/gx250-rear-axle-pbc673xl
GX250 Rear Axle - PBC673XL - https://www.electricbikeusa.net/gio-bike-parts-master-catalogue/gx250-rear-axle-pbc673xl