The specialized sirrus sport hybrid bike 2017 is the partner that you can count on offering a comfortable and efficient ride that39s perfect for meeting your fitness goals the specialized sirrus sport has been built around a durable reliable and light a1 premium aluminium frame and it features a bombproof assortment of components that are sure to get the job done sprinkle in some added comfort from body geometry components like the grips and saddle and a fitness geometry that live