Specialized Sirrus X 1.0 Step-Through Bike 2026

Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between.

Specifications:

• Frame  -  Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
• Fork  -  Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
• Front Brake  -  Lee Chi, Mechanical Disc
• Rear Brake  -  Lee Chi, Mechanical Disc
• Shift Levers  -  Shimano Altus SL-M315-7R, 7-Speed
• Rear Derailleur  -  Shimano Acera, 8-speed
• Cassette  -  microSHIFT CS-H074, 12-40t, 7-Speed
• Chain  -  KMC X8 w/ Missing Link™
• Crankset  -  Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm
• Chainrings  -  Narrow Wide Steel 42T
• Bottom Bracket  -  Square-tapered, 68mm
• 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, 8/9-Speed freehub, loose ball bearing, quick-release, 36h, 10x135mm
• Spokes  -  Stainless, 14g
• Front Tire  -  Pathfinder Wirebead Fast Gravel 700X40C
• Rear Tire  -  Pathfinder Wirebead Fast Gravel 700X40C
• Inner Tubes  -  Standard 40mm SV 700x32-50
• Stem  -  3D-forged alloy, 31.8mm, 7-degree rise
• Handlebars  -  Specialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm
• 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
• Pedals  -  Specialized, platform

* Specifications are subject to change without notice