Originally Posted by
2manybikes
They won't work with a typical bike frame...They are very difficult to tension properly on a normal bike rear wheel set up. They are slow. One needs a special tool to do an on the road repair...adding even more energy loss to the drive system.
...Every year some one brings them up again. It's a terrible idea for a bicycle.
The same could have been said (more or less) when the derailler was first used on a bike.
Change happens.
