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Specialized Sirrus 2.0 ST Fitness Bike (2023)

Specialized Sirrus 2.0 ST Fitness Bike (2023)

Regular price $649.99
Regular price $775.00 Sale price $649.99
Sale Sold out
YOU SAVE $125.01
16% OFF


Height (Cm) Size
5'1"-5'4" 49
5'4"-5'6" 52
5'6"-5'9" 54
5'9"-6'0" 56
6'0"-6'3" 58
6'3"-6'6" 61

Need help finding the perfect bike? Text or call Kathleen. 858-943-4229, Monday-Friday 8AM-5PM PST

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 Shipped Direct to Your Home

Our Platinum Pro Assembly fee of only $89 (reg. $100) will be added at checkout. Your Specialized Bicycle will be built, fine-tuned and expertly packaged by our certified team of bike techs. Your new bike comes 90% built, reassembly is quick and easy with our video guides. Your new bike ships within 3-5 business days.

Pick Up at Bicycle Warehouse

$99 Ready to Ride

Bikes comes 100% built and ready to ride. This fee includes professional assembly & setup, one basic Master Service and free warranty processing. Shipped bikes are not charged this fee.

Bicycle Warehosue now offers optional Route Package Protection. Route Package Protection offers peace of mind for your shipments by providing shipping insurance. This coverage ensures that if your package is lost in transit, stolen, or damaged, you're protected. For a small percentage of the total value of your order, Route will promptly generate a replacement order or issue a refund if you no longer want the items.




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Introducing the all-new Specialized Sirrus 2.0 ST Fitness Bike (2023)! Picture this: you've got places to be, people to meet, and fitness goals to crush. Life's a whirlwind, but fear not! We've got your back with the one and only Sirrus – your trusty sidekick for the fast-paced adventure called life. Hop on the Sirrus, and you'll never look back! This bad boy boasts an alloy frame and steel fork construction, making it sturdy enough to handle whatever the world throws at it – from challenging city streets to scenic country roads.

You know you're in for a smooth ride when Shimano enters the scene. Those reliable components are built tough, standing up to years of relentless daily riding on the world's toughest pavements. No mountain, or pothole, can stop you now!

Safety first, they say! Fear not, Sirrus has you covered with powerful hydraulic disc brakes that can stop on a dime in any condition. So whether you're dodging traffic or cruising down steep hills, you're always in control.

Long rides? No problemo! We've got your comfort covered too. Our ergonomically designed Body Geometry touchpoints are your ticket to a sting-free journey. Say goodbye to aches and hello to blissful rides!

So, strap on your helmet, buckle up, and let the Sirrus be your perfect partner in crime on your quest to conquer your goals. You'll feel like a true biking superhero, connected to your ride in ways you never imagined possible. The Sirrus is here to take you wherever you want to go – fast, fun, and with a whole lot of flair!


  • Lightweight A1 Alloy frame with 42c tires clearance, clean internal cable routing and mounting points for a range of accessories give maximum flexibility.
  • Intuitive and easy-to-use Shimano 2x8 wide-range shifting.
  • Powerful hydraulic disc bakes for safety and control.



3D-forged alloy, 31.8mm, 7-degree rise


Alloy, 12mm offset, 2-bolt clamp, 27.2mm

Seat Binder

Bolt-type, 31.8mm


Bridge Sport, Steel rails, 155/143mm


Double-butted alloy, 9-degree backsweep, 31.8mm


Specialized Body Geometry Contour, lock-on


46/30T w/ chainguard

Bottom Bracket

68mm, square taper, 124.5mm length


KMC X8 w/ Missing Link™, 8-speed

Rear Derailleur

Shimano Acera, 8-speed

Shift Levers

Shimano SL-M315, 8-speed


Shimano HG-31, 8-speed, 11-32t


Shimano FC-TY501, 46/30, chainguard

Front Derailleur

Shimano Tourney FD-TY606, Top swing, Dual pull


700C disc brake, double-wall alloy, 22mm depth, 21mm internal width

Rear Hub

Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h

Front Hub

Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h

Front Tire

RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c

Rear Tire

RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c


Stainless, 14g

Inner Tubes

Standard 40mm PV 700x28-38


Hi-Ten steel, flat-mount disc,

Rear Brake

Promax F1, hydraulic disc, flat-mount, 160mm

Front Brake

Promax F1, hydraulic disc, flat-mount, 160mm


Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts


Specialized Body Geometry Fitness, platform, plastic


Crank Length 170mm 170mm 170mm
Stem Length 70mm 80mm 90mm
Handlebar Width 580mm 600mm 600mm
Seatpost Length 300mm 350mm 350mm
Saddle Width 155mm 155mm 143mm
Stack 555mm 563mm 593mm
Reach 393mm 400mm 408mm
Head-Tube Length 139mm 147mm 175mm
Head-Tube Angle 70° 70° 71°
B-B Height 288mm 288mm 288mm
B-B Drop 70mm 70mm 70mm
Trail 76mm 76mm 69mm
Fork Length (full) 395mm 395mm 395mm
Fork Rake/Offset 51mm 51mm 51mm
Front-Center 628mm 637mm 646mm
Chain-Stay Length 440mm 440mm 440mm
Wheelbase 1058mm 1068mm 1077mm
Top-Tube Length (horizontal) 557mm 567mm 584mm
Bike Stand-Over Height 636mm 636mm 641mm
Seat-Tube Length 395mm 450mm 500mm
Seat-Tube Angle 73.5° 73.5° 73.5°