Sirrus X is your ticket to riding more, and to places you never imagined possible. It's a comfortable, capable, "let's do stuff" kind of bike that will inspire you to ride more than you ever have before. With bigger, confidence inspiring tires, a slightly more upright riding position, a super intuitive one-by drivetrain, and plenty of mounts for racks and fenders —it's more than just a solid partner on pavement. Sirrus X is a dialed option when it's time to hit some gravel. We've also equipped every Sirrus X with next-level comfort from our scientifically tested and ergonomically engineered Shared Platform Body Geometry saddle, handgrips, and pedals.
- Lightweight A1 Alloy frame with clean internal cable routing , 3.5lbs (1.7kg) lighter than other bikes in this class.
- Maxiumum control through hyper intuitive shifting with 1x8 wide range gearing, and powerful hydraulic disc brakes.
- Float over rough stuff with fast rolling Specialized Pathfinder 42c tires featuring proprietary Gripton rubber compound.
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Frame
Tarmac SL7 FACT 10r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
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Fork
FACT Carbon, 12x100mm thru-axle, flat-mount disc
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Handlebars
Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach
Stem
Tarmac integrated stem, 6-degree
Tape
Supacaz Super Sticky Kush
Saddle
Body Geometry Power Expert, titanium rails
SeatPost
2021 S-Works Tarmac Carbon seat post, FACT Carbon, 20mm offset
Seat Binder
Tarmac integrated wedge
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Front Brake
Shimano Ultegra R8170, hydraulic disc
Rear Brake
Shimano Ultegra R8170, hydraulic disc
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DRIVETRAIN
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Shift Levers
Shimano Ultegra R8170, hydraulic disc
Front Derailleur
Shimano Ultegra R8150, braze-on
Rear Derailleur
Shimano Ultegra R8150, 12-speed
Cassette
Shimano Ultegra, 12-speed, 11-30t
Crankset
Shimano Ultegra R8100
Bottom Bracket
Shimano Threaded BSA BB
Chain
Shimano Ultegra, 12-speed
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Front Wheel
Roval C38, 21mm internal width carbon rim
Rear Wheel
Roval C38, 21mm internal width carbon rim
Front Tire
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Rear Tire
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Inner Tubes
Turbo Ultralight, 48mm Presta valve
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ACCESSORIES
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* Specifications are subject to change without notice
