Bombtrack Bicycle Company HookWhich to choose: speed or storage space? You can have both with a Hook. With an able steel frame and carbon fork, this bike is fast and versatile. Size matched 650B or 700C wheels across the sizes provide control and comfort, while the Shimano GRX groupset and double crankset give you a close ratio with a broad range of gears. Take your pick from a range of fixing points, including a direct mount for a top tube bag, triple cage mounts, rear rack and