Originally Posted by
mrblue
Or your LBS might have some extra ones kicking around they'd probably give you for free. If this is a new bike I'm surprised the shop didn't include them even if they didn't install one on your frame.
Use whichever one fits your seat tube the best. Looks like if you put a plate on the very edge of the rear of the seat tube the support bolt should butt up against it.
I ended up buying this new bike a couple hours out of town as everyone near by was sold out, thanks for the reply!