I am a Wing Commander serving the Indian Air Force and presently posted at Baroda at Gujarat. I had purchased a Chevrolet Optra car last year on 03 July 2009 with company fitted Goodyear tubeless tyres fitted on alloy wheels.The car has run approximately 8400 Kms as on date. But within one year of purchase, the pressure started gradually decreasing in two of the tyres. Continue reading →