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Sirrus 3.0 Step-Through

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Sirrus 3.0 Step-Through

You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it's a good thing we made Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. Sirrus features a super light Aluminum Alloy and carbon fiber construction, as well as reliable MicroSHIFT components that are built to withstand years of daily abuse on the world's pavement. Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you'll feel more connected to your bike and know that you have the perfect partner with Sirrus.

Technical Specifications

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COCKPIT

Handlebars

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

SeatPost

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

Stem

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

Tape

Specialized Body Geometry Contour, lock-on

Saddle

Bridge Sport, Steel rails, 155/143mm

Seat Binder

Bolt-type, 31.8mm

BRAKES

Rear Brake

Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm

Front Brake

Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm

DRIVETRAIN

Shift Levers

microSHIFT, 9-speed

Front Derailleur

microSHIFT R9, 9-speed, 31.8mm clamp

Rear Derailleur

MicroSHIFT RD-R43M, medium cage

Cassette

MicroSHIFT H092, 9-speed, 11-34t

Crankset

Forged aluminum arms, 2-piece, 24mm spindle, 46/30T

Chainrings

46/30T

Bottom Bracket

Shimano 68mm threaded

Chain

KMC X9, 9-speed w/ Missing Link™

WHEELS & TIRES

Rims

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

Front Hub

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

Rear Hub

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

Spokes

Stainless, 14g

Front Tire

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

Rear Tire

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

Inner Tubes

700x28/38mm, 48mm Presta valve

ACCESSORIES

Pedals

Specialized Body Geometry Fitness, platform, plastic

FRAMESET

Frame

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

Suspension

Fork

Specialized FACT 9r Carbon, flat-mount disc, quick-release

* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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XSSM
Crank Length170mm170mm170mm
Stem Length70mm80mm90mm
Handlebar Width580mm600mm600mm
Seatpost Length300mm350mm350mm
Saddle Width155mm155mm143mm
Stack555mm563mm593mm
Reach393mm400mm408mm
Head-Tube Length139mm147mm175mm
Head-Tube Angle70°70°71°
B-B Height272mm272mm272mm
B-B Drop70mm70mm70mm
Trail70mm70mm64mm
Fork Length (full)395mm395mm395mm
Fork Rake/Offset51mm51mm51mm
Front-Center628mm637mm646mm
Chain-Stay Length440mm440mm440mm
Wheelbase1058mm1068mm1077mm
Top-Tube Length (horizontal)557mm567mm584mm
Bike Stand-Over Height620mm620mm625mm
Seat-Tube Length395mm450mm500mm
Seat-Tube Angle73.5°73.5°73.5°
Geometry

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