I have a pair of OEM shocks off a 2009 CB400 for sale. Both were rebuilt and have done ~500km since rebuild however one has started leaking again. I was warned it may happen again due to some light rust and pitting on the shaft. I have now fitted aftermarket shocks. One of them is fine but the leaking one will need to have the shaft re-chromed and rebuilt again - I was quoted ~$200 for this work. Happy to sell the good one on its own. Located at Buderim in Qld - will post AU wide at buyers expense. $100 ono.