Hi, If you want to know more about some repairing work on wira, I can share some with you, including the techcometer part and others. I have a self-sealing tyre, which drive no longer worry about tyre puncture and repairing work as well. Do visit our web site to know more. http://www.acetech.com.my/Svc/Self_Sealing_Tyre.htm Have a nice day. Cheer, Eric Lam ...