Specialized Sirrus X 1.0

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.

• Lightweight A1 Alloy frame with clean internal cable routing, 3.5lbs (1.7kg).
• Maximum control through intuitive shifting with 1x7 wide range gearing.
• Float over rough terrain with fast rolling Specialized Pathfinder 42c tires featuring proprietary Gripton rubber compound.

• Frameset

  FrameSpecialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

  Suspension

  ForkHi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

  Brakes

  Front BrakeLee Chi, Mechanical Disc

  Rear BrakeLee Chi, Mechanical Disc

  Drivetrain

  Shift LeversShimano Altus SL-M315-7R, 7-Speed

  Rear DerailleurShimano Acera, 8-speed

  CassettemicroSHIFT CS-H074, 12-40t, 7-Speed

  ChainKMC X8 w/ Missing Link™

  CranksetProwheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm

  ChainringsNarrow Wide Steel 42T

  Bottom BracketSquare-tapered, 68mm

  Wheels & Tires

  Rims700C disc brake, double-wall alloy, 22mm depth, 21mm internal width

  Front HubAlloy, 6-bolt disc, loose ball bearing, quick-release, 32h

  Rear HubAlloy, 6-bolt disc, 8/9-Speed freehub, loose ball bearing, quick-release, 36h, 10x135mm

  SpokesStainless, 14g

  Front TirePathfinder Wirebead Fast Gravel 700X40C

  Rear TirePathfinder Wirebead Fast Gravel 700X40C

  Inner TubesStandard 40mm SV 700x32-50

  Cockpit

  Stem3D-forged alloy, 31.8mm, 7-degree rise

  HandlebarsSpecialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm

  GripSpecialized Neutralizer, Body Geometry, locking grip

  SaddleBridge Sport, Steel rails, 155/143mm

  SeatPostAlloy, 12mm offset, 2-bolt clamp, 27.2mm

  Seat BinderBolt-type, 31.8mm

  Accessories

  PedalsSpecialized, platform

  Product Details

  Product ID293702

  Weight

  Weight11.71 kg (25 lb, 13.1 oz)

  Weight SizeLG