Royal enfield company is coming from since many years.it is trusted brand. I am using thunderbird motor bike it is very good bike. It is very stylish bike.it is very good bike. It is self start. It has good tyre quality and better road grip. It had good sound like dug dug. It has good light quality.it has power engine. Thunder bird is present in two versions one is with 350 cc engine and one is with 500 cc engine. Who want to buy bike always buy from royal enfield.