A types of bikes have different drivetrains and they range in price from under $100 to over $3000.
There are three basic speed and torque.
Road bike drivetrains tend not to be designed with custom titanium bike frames. When shopping for drivetrains, remember the cyclist adage "more money equals less weight."
If you're buying your first buy in separate pieces, remember that most company parts are not interchangeable and need to be assembled together. In addition, all of your equipment has to be the same size. If you purchase a tenspeed crank. Finally, make sure all the stuff you bought fits the frame.
If you're ready to step up your game and drop a few bills, you can score topline drivetrains from the best companies out there.
* Campagnolo
* FSA
* SRAM