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    About

    Since 1974, we've had one goal: Innovate and inspire to improve riders' lives.

    Innovation

    Innovate or Die. Three words behind every design decision we make.

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    Bikes are part of a greater culture with tremendous stories. This is where you'll find them.

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    We recognize that the decisions we make have social and environmental impacts and that we are responsible for minimizing them.

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    The Specialized Foundation uses cycling as a tool for children to achieve academic, health, and social success.

    Home / Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0
    Sirrus X 4.0

    Sirrus X 4.0

    Sirrus X 4.0

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    Part No. 92420-5000

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    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. We also equipped Sirrus X with the revolutionary Future Shock to take the sting out of bumps and potholes. Here's to your life on two wheels.
    • Future shock 1.5 delivers 20mm of compliance to give maximum comfort and control over the rough stuff.
    • 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 1x10 Shimano Deore shifting delivers precise shifting for the long haul.
    骑更多，趣更远。Sirrus X 给您带来更多可能性，带你去到从未想过的地方。舒适可靠，这是一台能让你爱上骑行的自行车。高宽容度的胎容给您更多信心，更直立的骑行姿势，简单易维护的单盘传动，预留货架和挡泥板安装孔位——轻松Carry多种路面。当您心血来潮想玩一把Graval，Sirrus X也是一个不错的选择。经过科学测试和人体工程学共享平台Body Geometry检验的座垫、把套和脚踏，舒适贴合更升级。更有革命性的Future Shock加持，抚平路面颠簸。快上车，拥抱新生活！

    Technical Specifications

    CHAINRINGS 44/32/22T
    REAR DERAILLEUR Shimano Deore, Shadow Plus, GS cage, 10-speed
    CASSETTE SunRace, 10-speed, 11-42t
    CHAIN KMC X10, 10-speed w/ reusable Missing Link™
    BOTTOM BRACKET Threaded BSA 68mm
    SHIFT LEVERS Shimano Deore, 10-speed
    CRANKSET Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring
    REAR BRAKE Shimano BR-MT200, hydraulic disc, 160mm
    FRONT BRAKE Shimano BR-MT200, hydraulic disc, 160mm
    SPOKES Stainless, 14g
    REAR TIRE Pathfinder Sport, 700x38mm
    FRONT TIRE Pathfinder Sport, 700x38mm
    INNER TUBES Presta, 48mm valve
    RIMS 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
    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
    HANDLEBARS Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm
    SEAT BINDER Specialized bolt-type, alloy, 31.8mm
    SEATPOST Alloy, 2-bolt, 14mm offset, 27.2mm
    STEM Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
    TAPE Specialized Neutralizer, Body Geometry, locking grip
    SADDLE Bridge Comp, Hollow Cr-mo rails, 155/143mm
    FORK Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5
    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
    SWAT
    PEDALS Specialized Body Geometry Fitness, platform, plastic
    * Specifications are subject to change without notice

    Technical Specifications

    CHAINRINGS 44/32/22T
    REAR DERAILLEUR Shimano Deore, Shadow Plus, GS cage, 10-speed
    CASSETTE SunRace, 10-speed, 11-42t
    CHAIN KMC X10, 10-speed w/ reusable Missing Link™
    BOTTOM BRACKET Threaded BSA 68mm
    SHIFT LEVERS Shimano Deore, 10-speed
    CRANKSET Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring
    REAR BRAKE Shimano BR-MT200, hydraulic disc, 160mm
    FRONT BRAKE Shimano BR-MT200, hydraulic disc, 160mm
    SPOKES Stainless, 14g
    REAR TIRE Pathfinder Sport, 700x38mm
    FRONT TIRE Pathfinder Sport, 700x38mm
    INNER TUBES Presta, 48mm valve
    RIMS 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
    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
    HANDLEBARS Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm
    SEAT BINDER Specialized bolt-type, alloy, 31.8mm
    SEATPOST Alloy, 2-bolt, 14mm offset, 27.2mm
    STEM Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
    TAPE Specialized Neutralizer, Body Geometry, locking grip
    SADDLE Bridge Comp, Hollow Cr-mo rails, 155/143mm
    FORK Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5
    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
    SWAT
    PEDALS Specialized Body Geometry Fitness, platform, plastic
    * Specifications are subject to change without notice

    Geometry

    Geometry Chart

    Geometry

      S M XS L XL XXS
    Crank Length 170mm 170mm 165mm 175mm 175mm 165mm
    Stem Length 70mm 80mm 60mm 90mm 100mm 60mm
    Handlebar Width 660mm 680mm 660mm 680mm 680mm 660mm
    Saddle Width 155mm 143mm 155mm 143mm 143mm 155mm
    Seatpost Length 350mm 350mm 300mm 400mm 400mm 300mm

    Geometry

    Geometry Chart

    Geometry

      M XS L XL XXS
    Crank Length 170mm 170mm 165mm 175mm 175mm 165mm
    Stem Length 70mm 80mm 60mm 90mm 100mm 60mm
    Handlebar Width 660mm 680mm 660mm 680mm 680mm 660mm
    Saddle Width 155mm 143mm 155mm 143mm 143mm 155mm
    Seatpost Length 350mm 350mm 300mm 400mm 400mm 300mm