Sirrus X 1.0

Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Specialized Sirrus X 1.0 Bicycle excels on pavement, dirt, and any terrain in between. Providing the smoothest ride in its class, with bigger, confidence-inspiring tires, a slightly more upright riding position, and a super intuitive one-by drivetrain. 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.

• Suggested Use
  • City / Bike Path / Commuting
• Frame
  • Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
• Rear
  • Shock N/A
• Fork
  • Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release 
• Handlebars
  • Double-butted alloy, 5-degree backsweep, 25.4mm
• Brakes
  • Lee Chi, Mechanical Disc, 160
• Derailleur
  • Shimano Acera RD-M3020, 7-Speed 
• Shift Levers
  • Shimano Altus SL-M315-7R, 7-Speed
• Crankset
  • PROWHEEL, Alloy, 165mm
• Bottom Bracket
  • Square-tapered, 68mm
• Chain
  • KMC X8 w/ Missing Link™
• Cassette
  • microSHIFT CS-H074, 12-40t, 7-Speed
• Wheels
  • Rims
    • 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
  • Hubs
    • Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h Front
    • Alloy, 6-bolt disc, 7-speed freehub, loose ball bearing, quick-release, 32h Rear
• Tires
  • Pathfinder Sport, 700x42 
• Saddle
  • Bridge Sport, Steel rails, 155/143mm
• Seatpost
  • Alloy, 12mm offset, 2-bolt clamp, 27.2mm