What do you mean by "small"? What do you want to use it for?

Here is my "small" frame bag I use on my Surly Ogre, but in a size "medium". Depending upon the ride / weather, I use it to carry an extra bladder of water, gloves, snacks, wallet, phone, portable battery charger, extra tube, etc.

https://www.revelatedesigns.com/inde...TangleFrameBag