2026 Specialized Sirrus X 3.0

Sirrus X 3.0 Sirrus X 3.0 Fitness / Gravel Bike · Aluminum · Shimano Cues 11-Speed · 1.6 lb lighter than 2.0 Description Key Features Specifications Geometry Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. With bigger, confidence-inspiring tires, a slightly more upright riding position, and a super intuitive one-by drivetrain, the Sirrus X provides the smoothest ride in its class. Like all Specialized performance bikes, the geometry of each frame is uniquely crafted using their Rider-First Engineered™ philosophy — each tube size is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness, ensuring that no matter what size you're riding, you experience the world's best ride. Class-leading light weight, exceptional pedaling efficiency, and steering precision merge for confident, nearly telepathic handling characteristics. A1 Premium Aluminum Frame Specialized A1 Premium Aluminum frame with butted tubing and internal cable routing — Specialized's mid-tier aluminum that's both lightweight and durable, with the cables tucked inside the frame for a clean look, protection from the elements, and reduced cable rub. The butted tubing reduces weight in low-stress areas while keeping strength where it matters. Rider-First Engineered™ Geometry Each frame size uses its own unique tube sizing, specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness — guarantees that every rider, regardless of frame size, gets the same world-class ride quality that Specialized builds into their performance bikes. 1.6 lb Lighter Than Sirrus X 2.0 Significant weight savings over the previous-generation Sirrus X 2.0 — the redesigned A1 alloy frame and added A1 alloy fork drop 1.6 lb (0.8 kg) of weight, making the Sirrus X 3.0 faster on climbs, more responsive on the flats, and easier to handle in technical terrain than its predecessor. A1 Alloy Fork A1 Premium Aluminum fork with flat-mount disc and Plug + Play fender mounts plus low-rider rack mounts — replaces the rigid fork on the 2.0 with a purpose-built gravel-touring fork that adds high-speed control and the ability to mount a rack or fenders for commuting. Wide 700x40c Pathfinder Tires Wide 700x40c Pathfinder tires — ideal for mastering variable terrain from smooth pavement to chunky gravel, providing traction and comfort off the beaten path without sacrificing efficiency on the road. Wirebead construction keeps the price point accessible while still delivering the tread design Specialized uses on its higher-end tubeless-ready setups. Shimano Cues 11-Speed Drivetrain Wide-range 1x11 Shimano Cues drivetrain with an 11-50T cassette gives excellent range on any road — single chainring up front simplifies shifting, reduces weight, and cuts maintenance compared to a double or triple crankset, while the massive 11-50T range covers steep climbs and fast descents without compromise. Tektro Hydraulic Disc Brakes Tektro 2-piston hydraulic disc brakes deliver reliable, consistent stopping power on pavement and loose surfaces — confident modulation for technical descents, predictable lever feel in wet weather, and the durability needed for daily commuting and all-season training miles. Premium Two-Piece Crankset Prowheel Alloy two-piece crankset — premium construction that pairs with the hydraulic disc brakes for enhanced braking power and durability in tough conditions, and the two-piece design holds up better to hard pedaling loads than a traditional three-piece square-taper crankset. Slightly Upright Riding Position Slightly more upright riding position than a road bike — takes pressure off the lower back, neck, and wrists for long commutes and weekend rides, while still being aggressive enough for efficient fitness riding and confident gravel-road handling. Plug + Play Fender/Rack Compatibility Frame and fork feature Plug + Play rack and fender mounts — ready to bolt on fenders for wet-weather commuting or a rack for groceries and gear without aftermarket bracket work, making the Sirrus X 3.0 a true do-everything fitness/gravel hybrid. Frameset Frame Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts Fork A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release Brakes Front Brake Tektro 2-piston hydraulic disc Rear Brake Tektro 2-piston hydraulic disc Drivetrain Rear Derailleur Shimano Cues RD-U6000, 11-Speed Shift Levers Shimano Cues SL-U6000-11R, 11-Speed, Right Cassette Shimano Cues CS-LG400-11, 11-Speed 11-50T Chain KMC eGlide for 11-Speed CUES Crankset Prowheel Alloy two-piece, XXS–XS: 165mm / S–M: 170mm / L–XL: 175mm, 42T Chainrings Narrow-Wide Steel 42T Bottom Bracket BB68+, BSA24, 68mm Wheels & Tires Rims 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h Front Hub Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h Rear Hub Alloy, Shimano 11-speed Freehub, 6 Bolt Disc, 32H, 10mm Axle, 135mm Spacing Spokes Stainless, 14g Front Tire Pathfinder Wirebead Fast Gravel 700x40C Rear Tire Pathfinder Wirebead Fast Gravel 700x40C Inner Tubes 700x32-50mm, 40mm Presta valve Cockpit Handlebars Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm Stem 3D-forged alloy, 31.8mm, 7-degree rise 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 platform Weight Weight 11.07 kg (24 lb, 6.5 oz) — size LG Product Info Product ID 296261 Sizes Available XXS, XS, S, M, L, XL (6 sizes) Fit Notes Rider-First Engineered™ Sizing Each frame size uses its own unique tube sizing — guarantees that every rider, regardless of frame size, gets the same world-class ride quality that Specialized builds into their performance bikes. Use the geometry table below to find your size: aim for a stack/reach ratio that matches your preferred riding position, and check stand-over height against your inseam. Component Sizing Crank Length XXS/S: 165mm · S/M: 170mm · L/XL: 175mm Handlebar Width 680mm (all sizes) Stem Length XXS/XS: 60mm · S: 70mm · M: 80mm · L: 90mm · XL: 100mm Saddle Width XXS/XS/S: 155mm · M/L/XL: 143mm Seatpost Length XXS/XS/S: 300mm · M/L: 350mm · XL: 400mm Cockpit Geometry Stack (mm) XXS: 536 · XS: 555 · S: 563 · M: 593 · L: 608 · XL: 633 Reach (mm) XXS: 373 · XS: 388 · S: 393 · M: 398 · L: 402 · XL: 414 Head-Tube Length (mm) XXS: 121 · XS: 139 · S: 147 · M: 175 · L: 191 · XL: 217 Head-Tube Angle XXS: 69.5° · XS/S: 70° · M/L/XL: 71° Frame Geometry Seat-Tube Length (mm) XXS: 360 · XS: 395 · S: 440 · M: 470 · L: 510 · XL: 530 Seat-Tube Angle 73.5° (all sizes) BB Drop 70mm (all sizes) BB Height 288mm (all sizes) Chain-Stay Length 440mm (all sizes) Front-Center (mm) XXS: 606 · XS: 623 · S: 631 · M: 636 · L: 645 · XL: 665 Wheelbase (mm) XXS: 1036 · XS: 1053 · S: 1061 · M: 1067 · L: 1076 · XL: 1096 Top-Tube Length (horizontal, mm) XXS: 532 · XS: 552 · S: 560 · M: 574 · L: 582 · XL: 602 Bike Stand-Over Height (mm) XXS: 702 · XS: 725 · S: 755 · M: 785 · L: 815 · XL: 837 Fork Geometry Fork Length (full) 395mm (all sizes) Fork Rake/Offset 51mm (all sizes) Trail (mm) XXS: 79 · XS/S: 76 · M/L/XL: 69 Quick Reference — All Sizes Side-by-Side XXS Stack 536 · Reach 373 · HTA 69.5° · STA 73.5° · WB 1036 · ST 360 XS Stack 555 · Reach 388 · HTA 70° · STA 73.5° · WB 1053 · ST 395 S Stack 563 · Reach 393 · HTA 70° · STA 73.5° · WB 1061 · ST 440 M Stack 593 · Reach 398 · HTA 71° · STA 73.5° · WB 1067 · ST 470 L Stack 608 · Reach 402 · HTA 71° · STA 73.5° · WB 1076 · ST 510 XL Stack 633 · Reach 414 · HTA 71° · STA 73.5° · WB 1096 · ST 530