bike DIY is not for a new play

bike conversion kit refers to same specifications of the transmission / drive system of a bike brand, due to the reasonable same level of co-ordination,with the use of more reasonable to sell together called bike kit,
 e bike kit that includes things not fixed, can be any combination, but generally can be called the kit generally include the following components: the front derailleur / rear derailleur / DIP (dual or transfer to or control) / flywheel / chain / crankset / brake (or disc or forceps or v) / Drum (or wheels). generally refers to small packages: DIP / front derailleur / rear derailleur, you said the drive kit heard, may refer to a small package.
 e bike kit how much money there, SHIMANO until from four to five hundred or so top kits 18000
 As long as long-distance vehicles like rugged, does not require high performance. Lx lx to long distances, but a full set of basic vehicle to reach the mountain million yuan, and a few will go to an expensive long-distance riding?
 If you completely do not understand is recommended to buy the vehicle, bike DIY is not for a new play by the way.