Originally Posted by
SkyDog75
Faulty installation is the most likely cause, in my opinion. Regardless of the cause, if I was in the shop, I'd be happy to replace a cable on a 3-week-old bike as a goodwill gesture since it's cheap & easy.
Since the OP would not have installed the cable on a new bike(it would have been done in the factory) I would think that the shop should darn well replace it free of chanrge