Polygon Tambora A4 GRX 2×11 Gravel

Whether you're a long-distance enthusiast or an adventurous explorer, the Tambora is here for all your gravel needs. Flip chips at the rear dropouts and fork base let you switch between gravel and all-road geometry in minutes, making the Tambora genuinely two-bikes-in-one. With 14 universal mounting points across the frame, it's ready to carry everything your adventure demands.