Originally Posted by
Barabaika
Only
1) a handle bar is required
...
2) brake cables and housing are nice to change, but the old ones could be reused
3) a handlebar tape can be reused if it's new
The installation process is straight-forward, why would pay somebody to do it?
You have shown moustache bars with drop bar levers. That is NOT a legitimate flat-bar conversion. FAIL.