hadid ravan industrial group

Motorcycle exhaust

1- Unique electroplating using three-layer electroplating technology 2- The extreme resistance of the dose against rusting and reddening of the exhaust throat 3- Easy installation on the chassis 4-Using a thick sheet in the exhaust bracket with electrostatic paint coating

Motorcycle exhaust

1- Unique electroplating using three-layer electroplating technology 2- The extreme resistance of the dose against rusting and reddening of the exhaust throat 3- Easy installation on the chassis 4-Using a thick sheet in the exhaust bracket with electrostatic paint coating

Complete motorcycle wheel

Complete motorcycle wheel

Complete motorcycle wheel

Complete motorcycle wheel

Motorcycle hub

Motorcycle hub

Motorcycle hub

Motorcycle hub

Motorcycle steel collar

Motorcycle steel collar

Motorcycle steel collar

Motorcycle steel collar

SAE20w-50 engine oil, one liter can of Breez brand

One of the main criteria for recognizing the use and quality of all types of engine oil is its viscosity, which is known by the SAE index. The viscosity of a high-quality engine oil should be so thin that it can penetrate all the open pores in the car engine; On the other hand, its concentration should be enough to lubricate all surfaces well. Viscosity index is the same measure that explains the concentration of engine oil. Since the country of Iran is a land of 4 seasons and the weather can cause some engine oil to fail in certain seasons of the year, car owners should buy engine oil with variable viscosity; Like 20W50 engine oil, which has variable viscosity. Considering all these things, it can be said that the location of the person, the type of car and the climate of the region are the most important factors that drivers should pay special attention to when buying. As you can see from the term 20W50 motor oil, the viscosity of motor oil with variable viscosity is determined by 2 numerical terms. One of these numbers, which is located before the letter W (20), indicates the viscosity of engine oil in the winter season; Because as you can see, the letter W is the first letter of the word winter in English. The second numerical expression of the SAE index also indicates the viscosity of engine oil in the summer season, which is always inserted after the letter W (50).