Originally Posted by
a3inverter
Tire clearance likely takes the Roubaix off the list. For the Sirrus, I would guess you have room for big tires, but the flat bar would make for a long day. A friend put drop bars (and barcons) on his Specialized hybrid (maybe it was a Sirrus) and had a blast. Cheapest option may be to get some ski-bend bar ends and call it good. Plenty of hand positions and no need to change the shifting.
Although perhaps this is an opportunity to go N+1

Yeah. I don't want to dump money into the Sirrus, spending more than the bike is worth. I have not been riding it much, because over time I have come to prefer drop bars. I have been thinking abut the N+1 option