The GR 350 accepts the UDH (Universal Derailleur Hangar) rear derailleur mounting system. UDH Compatible Plates Style Dropouts. You are looking at our GR 350 Gravel Bike. We designed the GR 350 from the ground up to be specific to gravel riding.
The Gravel Bike Frame or Frameset UDH Capable GR350 would be an excellent fit for riders looking for an all-around road bike option with the versatility to tackle both road and gravel surfaces, thanks to its UDH (Universal Drive Head) compatibility.
