About this item Rear swingarm pivot bolt Fit for Honda TRX450ER TRX400EX TRX450R swingarm bolt, nut, and washer. Replaces : 90121-HN1-000 and 90305-GE8-003, 52101-HP1-000 made of high quality iron material,strong and durable, zinc plated to prevent corrosion Please confirm the part number before purchase, otherwise it may affect your use