2025 Sirrus X 4.0 Size:LOffering 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
35 ISO 406 Bead Wire Tread/Sidewall Color Bk/Blk PSI 110 Weight (Grams) 677 TPI 60 Durometer Features Reflective Sidewall No
CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Maximum Head Circumference 59
Small enough to fit in most seat bags
0 Battery) Description USB Type A Charging Adapter Color Black
Color Black Pad Attachment Style Threaded Post Rim Compatibility Standard Intended Brake Type Linear Pull Pad Type One Piece
Large foot platform for modern day DH
}Replacement fit system assembly for Ambush Comp
Brake Type Disc Spring Type DebonAir+ W/ButterCups Axle/Hub spacing 15x110mm TA Rake 44mm Stanchions Material Aluminum Steerer Tube Material Aluminum Crown Material Aluminum Maximum Tire Width 81mm Primary Color Red Wheel Diameter 29 Lower Tubes Material Magnesium Stanchions Diameter 38mm Damping Charger 3
Compact design makes new electric components smaller and lighter
CX11 130mm
Wider and taller rim profile for compatibility with modern wider road tire profiles
can be cut to desired length
