Where can I get a replacement derailleur hanger?

Check the store for the hanger option that works best for you - The Gypsy, B'Stard and Vagabond all share the same hanger design and we sell hangers compatible with either standard 135mm x 10mm QR axles, or 142mm Shimano type through axles.  

What is the warranty on the frames and forks?

All the frames and forks are covered by a lifetime warranty that covers manufacturing defects while still owned by the original purchaser. However if there is ever an issue with one of our frames that's not covered by the warranty we offer a crash/damage replacement program where we'll sell you a heavily discounted frame as a replacement.