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.
- Even lighter (1.6 lbs/.8kg) than Sirrus X 2.0, and faster thanks to an added A1 alloy fork.
- Wide-range 1x10 Shimano Deore drivetrain with a 11-42t cassette gives excellent range on any road.
- More powerful hydraulic brakes and premium 2 piece crank design for enhanced braking power and durability in tough conditions.
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Frame: Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
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Chainrings: 40T
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Cassette: Shimano Deore, 10spd, 11-42t
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Rear Derailleur: Shimano Deore M4120, SGS, 10-speed
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Shift Levers: Shimano Deore M4100, 10-speed
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Bottom Bracket: Threaded BSA 68mm, 24mm spindle
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Crankset: Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide steel chainring
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Chain: KMC X10, 10-speed w/ reusable Missing Link™
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SeatPost: Alloy, 12mm offset, 2-bolt clamp, 27.2mm
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Handlebars: Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm
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Seat Binder: Bolt-type, 31.8mm
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Stem: Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
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Saddle: Bridge Sport, Steel rails, 155/143mm
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Tape: Specialized Neutralizer, Body Geometry, locking grip
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Rear Brake: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
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Front Brake: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
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Inner Tubes: Standard 40mm PV 700x32-50
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Rear Hub: Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
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Front Hub: Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
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Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
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Spokes: Stainless, 14g
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Front Tire: Pathfinder Sport, 700x42
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Rear Tire: Pathfinder Sport, 700x42
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Fork: A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
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Pedals: Specialized Body Geometry Fitness, platform, plastic
