You can hire bikes for you trip at Manali. The cost of renting a bike is anywhere between Rs. 800 to Rs. 2000 a day depending on the motorcycle you choose. Be sure to read the Terms and Conditions they will give you. You will also have to pay a security deposit of Rs. 15,000 to Rs. 30,000. It’s a good idea to browse around and pick the right bike for you. Test ride the bike in Manali before setting off to Leh (the capital city of Ladhak) to get an idea of the bikes handling and to sort out any issues the bike may have. Better safe than stranded. The best time to visit Ladhak is between June to September. Starting your ride from Manali is a good option. The route is scenic and allows you time to get acclimatized to the altitude, which is very important for the journey beyond.