Originally Posted by
ridethecliche
Only thing I'd fix is reliability is chalked up to keeping your Drivetrain tuned. Sora will need more maintenance than tiagra or 105, but if any of them are dialed in, then they'll work just fine.
I agree with you when talking about relatively new parts. But with aged parts I think its a bit more apparent. Springs wear out, etc. Maybe I should have said "durability" rather than "reliability".