Titanium’s low-density, high-strength, durability and corrosion-resistance make it an excellent material for constructing bikes. When I took my first pedal strokes on the No. 22 Aurora, I noticed the comfortable and compliant ride quality masterfully achieved with the metal. Combined with the carbon fibre seatmast, the frame is fast, stiff in the right places and responsive. RELATED: The weird and wonderful come to life in Sportful’s R & D collectionNo. 22 is named after titanium’s atomic number.