Sorry! Specialized Sirrus X 4.0 EQ is no longer available.

Specialized Sirrus X 4.0 EQ

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Experience the thrill of the open road like never before with the Specialized Sirrus X 4.0 EQ. This versatile, all-purpose bike is designed to adapt to your riding style, ready to go wherever your wanderlust leads you. Whether cruising on asphalt or tackling gravel paths, the Sirrus X provides smooth, confident handling, thanks to its wider, confidence-inspiring tyres and slightly more upright riding position.

Don't let the technical side of riding deter you. The Sirrus X features a super intuitive one-by drivetrain, making gear changes a breeze, whilst the plenty of mounts for racks and fenders ensure you're always prepared for any biking adventure. We've not stopped there. Drawing from scientific tests and ergonomic research, we have incorporated our Shared Platform Body Geometry saddle, handgrips, and pedals — ensuring every journey is comfortable and efficient.

Ready to smooth out those bumps and potholes? The Sirrus X 4.0 EQ comes equipped with the groundbreaking Future Shock suspension system, offering you ride comfort like never before. Embrace your deux-wheeler life and take the leap with the Specialized Sirrus X 4.0 EQ. Your adventure starts here.

Frame Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts
Fork Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, Plug + Play fender mounts, Future Shock 1.5
Crankset Forged aluminum arms, 24mm spindle, Narrow-wide aluminum chainring 40t, chainguard
Pedals Specialized Body Geometry Fitness, Platform, Plastic
Chain KMC X12EPT, 12-speed, anti-corrosion coating w/ reusable Missing Link™
Cassette Sunrace CSMZ800, 12-speed, 11-51t
Shift Levers Shimano Deore M6100, 12-speed
Rear Derailleur Shimano Deore, M6100, 12pd, Shadow Plus
Front Brake Shimano BR-MT200, hydraulic disc, 160mm
Rear Brake Shimano BR-MT200, hydraulic disc, 160mm
Rims 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Front Tyre Pathfinder Sport, 700x38mm
Rear Tyre Pathfinder Sport, 700x38mm
Handlebars Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Saddle Bridge Sport, Steel rails, 155/143mm
Seat Post Alloy, 2-bolt, 14mm offset, 27.2mm
Seat Binder Bolt-type, 31.8mm
Inner Tubes 700x28/38mm, 48mm Presta valve
Chain Rings 48/32 w/ chainguard
Bottom Bracket Threaded BSA 68mm
Front Hub Shimano Dynamo, Center Lock disc, 12x100mm Thru-axle spacing, 32H
Rear Hub Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28H
Spokes Stainless, 14g
Stem Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Tape Specialized Neutralizer, Body Geometry, locking grip

Please note: Manufacturers can sometimes change the specification of the products from time to time.

Size XXS XS S M L XL
B-B Drop 70 70 70 70 70 70
B-B Height 284 284 284 284 284 284
Bike Stand-Over Height 700 722 750 778 810 831
Chain-Stay Length 440 440 440 440 440 440
Fork Length (full) 395 395 395 395 395 395
Fork Rake/Offset 51 51 51 51 51 51
Front-Center 602 618 629 634 644 663
Head-Tube Angle 69.5 70 70 71 71 71
Head-Tube Length 111 125 143 169 186 208
Reach 355 371 376 382 386 398
Seat-Tube Angle 73.5 73.5 73.5 73.5 73.5 73.5
Seat-Tube Length 360 395 440 470 510 530
Stack 587 590 606 635 651 672
Top-Tube Length (horizontal) 529 549 559 573 581 599
Trail 78 75 75 68 68 68
Wheelbase 1033 1049 1060 1065 1074 1093

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