Sir , it depends from which place  you want to rent a bike. Anyway here is the list of some  bike rentals  company in Himachal Pradesh.

Planet Spiti Bike Rentals

B D Tour & travel BIKE RENTAL

EPIC MOTO TOURS 

Ish Tour & Travel - Bike Rentals in Manali

BIKE HIRE TO SPITI VALLEY

Here are some Bike rental service available for Spiti trip -

Two Wheel Himalayas

EPIC MOTO TOURS : motorbike rental, ladakh spiti tours

Planet Spiti Bike Rentals

RenTrip Bike Rentals - Manali

 Many of us have a dream of a bike ride to Spiti Valley, So today I m here to help you with this. So according to your Itinerary, you can rent a bike from Shimla or Manali. So when you reach your destination first, ask around for some good bike rentals then take a look at a few bikes,check the condition of the bike, take a test ride then only book your bike. Depending upon which Motorcycle you rent, you'll have to pay a daily rental of Rs.1k to 2k per day.

If you want to rent a bike for Spiti you can also rent a bike from Kaza as well. There are several players offering bike rental services in Kaza.

Here are some bike rentals companies :

- MANALI 

The Bike Rental Manali

Ish Tour & Travel 

- SHIMLA

Shimla Rider  

Shimla bike rental agency 

- KAZA

Bike the hills 

Planet Spiti bike rentals