Sirrus X 4.0
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Added Carbon Fork and an A1 SL alloy frame delivers a build 1.6lb (.8kg) lighter than the 3.0 model–no heavy hybrid featuring a mountain style suspension fork comes close.
Wide-range 1x11 SRAM NX shifting delivers precise shifting for the long haul.
- Free Shipping on Orders over $200, excludes bikes.
- Returns must be request within 48 hours of delivery for a refund and within 30 days for a Store Credit or Exchange.
- All Sale items are final sale.
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Technical Specifications
Frameset
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
Seat Binder
Bolt-type, 31.8mm
Suspension
Fork
Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Cockpit
Seat Post
Alloy, 2-bolt, 14mm offset, 27.2mm
Saddle
Bridge Comp, Hollow Cr-mo rails, 155/143mm
Stem
Future Stem, Comp
Handlebars
Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Brakes
Front Brake
Tektro HD-R510, hydraulic disc, 160mm
Rear Brake
Tektro HD-R510, hydraulic disc, 160mm
Drivetrain
Shift Levers
SRAM NX, 11-speed
Rear Derailleur
SRAM NX, 11-speed
Cassette
SRAM PG-1130, 11-speed, 11-42t
Crankset
Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring
KMC X11, 11-speed w/ Missing Link™
KMC X11, 11-speed w/ Missing Link™
Chain Ring
40T
Bottom Bracket
Threaded BSA 68mm, 24mm spindle
Wheels & Tyres
Front Hub
Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24H
Rear hub
Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28H
Front Tire
Pathfinder Sport, 700x38mm
Rear Tire
Pathfinder Sport, 700x38mm
Spokes
Stainless, 14g
Tubes
700x28/38mm, 48mm Presta valve
Accessories
Pedals
Specialized Body Geometry Fitness, platform, plastic