This is the Lankeleisi S600 mountain bike. It is super-light weighing just 18kg with a carbon fibre frame which is still strong but light. This means that it is easy to control but you can also lift it up steps or onto public transport easily and it will be easier to ride. The bike has a battery so you can get assistance if you need it when cycling so if you are cycling into a head wind or up a hill you will be able to go into battery powered mode. It has a Shimano Altus M390 derailleur and Shimano M315 hydraulic disc brakes.