Offering 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 uniquely crafted. This means that for every frame, each tube size is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness to ensure that no matter what size you’re riding, you will experience the world’s best ride.
NIMBLE: Class-leading light-weight, exceptional pedaling efficiency, and steering precision merge for confident, nearly telepathic handling characteristics.
Frameset
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Suspension
Fork
Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
Brakes
Front Brake
Lee Chi, Mechanical Disc, 160
Rear Brake
Lee Chi, Mechanical Disc, 160
Drivetrain
Shift Levers
Shimano Altus SL-M315-7R, 7-Speed
Rear Derailleur
Shimano Acera RD-M3020, 7-Speed
Cassette
microSHIFT CS-H074, 12-40t, 7-Speed
Chain
KMC X8 w/ Missing Link™
Crankset
PROWHEEL, Alloy, 165mm
Chainrings
40T
Bottom Bracket
Square-tapered, 68mm
Wheels & Tires
Rims
700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Front Hub
Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Rear Hub
Alloy, 6-bolt disc, 7-speed freehub, loose ball bearing, quick-release, 32h
Spokes
Stainless, 14g
Front Tire
Pathfinder Sport, 700x42
Rear Tire
Pathfinder Sport, 700x42
Inner Tubes
Standard 40mm SV 700x32-50
Cockpit
Stem
Alloy, 25.4mm, 10deg.
Handlebars
Double-butted alloy, 5-degree backsweep, 25.4mm
Grip
Specialized Neutralizer, Body Geometry, locking grip
Saddle
Bridge Sport, Steel rails, 155/143mm
SeatPost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Seat Binder
Bolt-type, 31.8mm
Accessories
Pedals
Specialized Body Geometry Fitness, platform, plastic
Product Details
Product ID
278560
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