USA Gear Camera Sleeve (Medium) for Compact SLRs Compatible with Canon EOS R100 Nikon Z30 Sony ZV-E10, and more - Padded Neoprene DSLR Case with Zipper Accessory Pocket & Belt Loop (Black)

They make fairly small bags that these fit into, that would provide a little bit more protection for the camera while in that frame bag. Here's something that kind of shows you what I'm thinking of, although I don't own this and can't vouch for it: https://www.amazon.com/USA-Gear-Neoprene-Protection-Accessory/dp/B0037TEO3K/ You could also just take like a towel or something and wrap it up, too. Just something to keep it from getting scratched and to cut some of the road vibration...