Black Rockrider 520 Overview (Decathlon - B'twin) HD

❤️ Please subscribe http://www.youtube.com/channel/UCQ6GEz0mqb9GuzKtMl4h1dA?sub_confirmation=1 ❤️ This is a close-up for the 2018 Rockrider 520 from Decathlon. This is the black model with blue...