flatlock seams prevent chafing

Large Vents Closure Standard Buckle and Flatlock strap dividers

Lightweight carrier makes for easier use

shock absorption and an easy step-in design

Specialized Sirrus Bike Size:M flatlock seams prevent chafingIf you're going to get in shape you need to move, and nothing wants to help you move faster than our Sirrus Disc. It takes a no nonsense approach to its design, giving you everything that you need, like superior braking, and nothing that you don't. Working with our Body Geometry team, we designed a frame that strikes the optimal balance between comfort and efficiency. The A1 SL Premium Aluminum construction pairs weight savings with rugged durability,