Quote:
Originally Posted by 93KgBike
That's exactly how buying cars works. You buy one, and then you buy a new one. They are totally discreet.
Not a good example.
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Do you throw away your new cars as soon as the first component wears out? Or do you replace the broken component and continue using the car? With electronic drivetrains, there's a good chance that if you buy a bike today and wear out of break one of the components in a few years, you'll have to replace the entire drivetrain.
That's what happened with Dura-Ace Di2. If you bought a Shimano Dura-Ace Di2 9spd drivetrain, and brought it to a bike dealer after a few years because a shifter or derailleur broke, the dealer would have to inform you that no new parts were available for your system (even though Shimano still made 9spd systems, and still made electronic systems). The only option they could give you was to replace the entire shifting system.
I have home heating furnace and a "smart" thermostat that were made by two difference companies about 5 years apart. And yet, they work perfectly together. That's how hard goods are supposed to work. The bicycle component companies already had a poor intercompatibility model with mechanical drivetrains, and its only gotten worse with electronic systems.