All City Bicycles Space Horse GRX Gravel Bike – 650b. Whether you are looking for a bike you can take on your next bikepacking trip, a gnarly gravel ride, or just a quick ride down the tarmac, we have you covered with the Space Horse GRX Gravel Bike. With its classic look, All City Bicycles designed this brown and gold bike with signature details to bring beauty back to modern bikes. Using high-quality craftsmanship, All City designed a custom lugged fork crown, signature seat collar, pantographed bottom bracket, reinforced bottle bosses, and beautiful liquid paint and E. D. coating, just to name a few. You will clearly be riding in style, but the Space Horse GRX matches its beautiful build with such a high performance that your friends won’t be able to keep up with your adventures. The 612 select tubing provides you with the stability and agility you need to take you down any dirt, gravel, or paved road.