2027 Specialized Sirrus X 2.0 Km Bike Gloss Metallic Obsidian / Burnt Gold Metallic Frost Reflective M MPFN-SP21-SP764316-BK } Replaces the existing chainring

} Replaces the existing chainring and spider on 3-bolt BB30 cranks or SuperBoost chainline

An enlarged rim channel groove makes tire changing ultra-simple and guarantees a perfect long-lasting seal

5 Bag Dimensions in cm 27x56x14 Volume Range 16-20L Waterproof Water-resistant

}Topeak AirBooster G+ CO2 Inflator - with Gauge

2027 Specialized Sirrus X 2.0 Km Bike Gloss Metallic Obsidian / Burnt Gold Metallic Frost Reflective M MPFN-SP21-SP764316-BK } Replaces the existing chainringOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence inspiring tires, a slightly more upright riding position, and a super intuitive one by drivetrain. RIDER FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each frame is