Originally Posted by Chris_W

Plus, why does Co-motion Speedster have the bolt hole on the seat stay bridge facing downwards, towards the hub. I'm guessing there is some sort of reason for it facing towards the hub, but I couldn't think of one.

Originally Posted by Nearly verbatim from the friendly folks At Co-Motion

We face the mounting hole, which is threaded M5x .8 toward the axle, so you can [eliminate the metal clip normally used to attach the fender to the brake bridge], drill a hole in the fender, and mount it nice and solidly with a 5mm bolt. It's much cleaner and more secure that way.