Sirrus 2.0 Step-Through
BD255.00
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You have places to go, people to see, and fitness goals to achieve. We get it—life…
Product Details
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 an alloy frame and steel fork construction, as well as reliable Shimano 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.
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.
Technical Specifications
Cockpit
Handlebars
Double-butted alloy, 9-degree backsweep, 31.8mm
SeatPost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Stem
3D-forged alloy, 31.8mm, 7-degree rise
Saddle
Bridge Sport, Steel rails, 155/143mm
Grips
Specialized Body Geometry Contour, lock-on
Seat Binder
Bolt-type, 31.8mm
Drivetrain
Shift Levers
Shimano SL-M315, 8-speed
Front Derailleur
Shimano Tourney FD-TY606, Top swing, Dual pull
Rear Derailleur
Shimano Acera, 8-speed
Cassette
Shimano HG-31, 8-speed, 11-32t
Crankset
Shimano FC-TY501, 46/30, chainguard
Chainrings
46/30T w/ chainguard
Bottom Bracket
BSA, square-taper, 68mm
Chain
KMC X8 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
Inner Tubes
Schrader valve, 40mm
Rear Tire
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Suspension
Fork
Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
Brakes
Rear Brake
Promax F1, hydraulic disc, flat-mount, 160mm
Front Brake
Promax F1, hydraulic disc, flat-mount, 160mm
Frameset
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Accessories
Pedals
Specialized Body Geometry Fitness, platform, plastic
Weight
Weight
12.0kg (26 lb, 7.3 oz)
Weight Size
MD
* 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
| XS | S | M | |
|---|---|---|---|
| Crank Length | 170mm | 170mm | 170mm |
| Handlebar Width | 580mm | 600mm | 600mm |
| Stem Length | 70mm | 80mm | 90mm |
| Saddle Width | 155mm | 155mm | 143mm |
| Seatpost Length | 300mm | 350mm | 350mm |
| Head-Tube Angle | 70° | 70° | 71° |
| Trail | 70mm | 70mm | 64mm |
| Seat-Tube Angle | 73.5° | 73.5° | 73.5° |
| Stack | 555mm | 563mm | 593mm |
| Top-Tube Length (horizontal) | 557mm | 567mm | 584mm |
| B-B Height | 272mm | 272mm | 272mm |
| Front-Center | 628mm | 637mm | 646mm |
| Fork Length (full) | 395mm | 395mm | 395mm |
| Bike Stand-Over Height | 620mm | 620mm | 625mm |
| Reach | 393mm | 400mm | 408mm |
| B-B Drop | 70mm | 70mm | 70mm |
| Chain-Stay Length | 440mm | 440mm | 440mm |
| Fork Rake/Offset | 51mm | 51mm | 51mm |
| Head-Tube Length | 139mm | 147mm | 175mm |
| Seat-Tube Length | 395mm | 450mm | 500mm |
| Wheelbase | 1058mm | 1068mm | 1077mm |
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