2021 Sirrus 2.0 Step Through
5
1 Reviews
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 a super light Aluminum Alloy and carbon fiber 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 rapid fire 2x8 wide range shifting.
Powerful Hydraulic disc bakes for safety and control.
Technical Specifications
FRAMESET
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
SWAT
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
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
ACCESSORIES
Pedals
Specialized Body Geometry Fitness, platform, plastic
DRIVETRAIN
Front Derailleur
Shimano Tourney FD-TY710
Shift Levers
Shimano Acera, 8-speed
Rear Derailleur
Shimano Acera, 8-speed
Cassette
Shimano Altus, 8-speed, 11-32t
Crankset
Shimano Tourney, 3-piece, 46/30T
Chainrings
46/30T w/ chainguard
Bottom Bracket
BSA, square-taper, 68mm
Chain
KMC X8 w/ Missing Link™
WHEELS
Inner Tubes
Schrader valve, 40mm
BRAKES
Rear Brake
Promax F1, hydraulic disc, flat-mount, 140mm
Front Brake
Promax F1, hydraulic disc, flat-mount, 160mm
Suspension
Fork
Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| XS | S | M | |
|---|---|---|---|
| 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 | 272mm | 272mm | 272mm |
| B-B Drop | 70mm | 70mm | 70mm |
| Trail | 70mm | 70mm | 64mm |
| 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 | 620mm | 620mm | 625mm |
| Seat-Tube Length | 395mm | 450mm | 500mm |
| Seat-Tube Angle | 73.5° | 73.5° | 73.5° |
Rider Reviews
5
1 Reviews