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Sirrus 2.0 Step Through
2021 Sirrus 2.0 Step Through
Technical Specifications
FRAMESET
SWAT
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
WHEELS & TIRES
Front Tire
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
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
Rims
700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Spokes
Stainless, 14g
COCKPIT
Stem
Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Tape
Specialized Body Geometry Contour, lock-on
Handlebars
Double-butted alloy, 9-degree backsweep, 31.8mm
Saddle
Bridge Sport, Steel rails, 155/143mm
Seat Binder
Bolt-type, 31.8mm
SeatPost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
ACCESSORIES
Pedals
Specialized Body Geometry Fitness, platform, plastic
DRIVETRAIN
Crankset
Shimano Tourney, 3-piece, 46/30T
Front Derailleur
Shimano Tourney FD-TY710
Cassette
Shimano Altus, 8-speed, 11-32t
Rear Derailleur
Shimano Acera, 8-speed
Shift Levers
Shimano Acera, 8-speed
Chainrings
46/30T w/ chainguard
Chain
KMC X8 w/ Missing Link™
Bottom Bracket
BSA, square-taper, 68mm
WHEELS
Inner Tubes
Schrader valve, 40mm
BRAKES
Front Brake
Promax F1, hydraulic disc, flat-mount, 160mm
Rear Brake
Promax F1, hydraulic disc, flat-mount, 140mm
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
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