Brompton Junction Barcelona. Bike shop Barcelona. Brompton folding bikes are a global leader quality and design. Visit Brompton bike shop in Barcelona. Brompton has own stores in key cities around the world called Brompton Junctions and now in Barcelona. Here you can find qualified sales teams to help you chose the correct Brompton, plus a wide range of spares and accessories. Each Junction also has a workshop area, for routine servicing or upgrading your Brompton form the many options available.