Originally Posted by ThinLine

NO people...Sora is not fine, even for the money. Shimano had to acheive a low end groupo and position it as a so called entry level recreational group.
The quality and shifting is not good.
One would be better off buying a Shimano Alfine or SRAM i-motion integrated 3 or 7 speed rear hub and forego the complexity of derailures (Sora).
Tiagra is much better for a few dollars more. 105 and your racing