Tandem Denizov is a bicycle shop and service provider based in Gabrovo, Bulgaria, with an online store serving riders across a wide range of needs. Its selection includes mountain, road, gravel, city, trekking, folding, children’s and electric bicycles, as well as used bikes and electric scooters. Customers can also shop for bicycle components and replacement parts, including brakes, drivetrains, forks, wheels, tyres and electric-bike system accessories.

The store offers cycling equipment and accessories for riding, safety and everyday use. Its range includes helmets, protective gear, clothing, shoes, bags, lights, locks, pumps, racks, tools and maintenance products. The catalogue covers options for different ages and riding styles, from children’s balance bikes to mountain-bike and road-cycling equipment.

Tandem Denizov also provides bicycle repair and adjustment services, with servicing for different types of bicycles. The business highlights expert advice from active cyclists to help customers choose a suitable bike, alongside work by certified mechanics. Its website states that bicycles come with the full manufacturer’s warranty and promotes a two-year warranty.