Charge Plug 2 Adventure Disc Brake Gravel Road Bike 2016 6061 aluminum frame is stiff, light, durable, and tough as nails Carbon straight blade fork keeps the gram count low while preserving ride quality Shimano Claris 8-speed groupset delivers great performance at an excellent value Promax DSK-300 disc brakes provide all-weather, all-terrain stopping power Maxxis Roamer Custom 700x42 tires