Specialized Sirrus X 3.0 Step-Through 2025
2025 Urban
Estimate price |
1,047$
Weight | 11.61 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Groupset Deore, microSHIFT Advent -
Suspension Rigid -
Drivetrain 1 × 9 -
Brakes Tektro Hydraulic Disc
Sizing
Recommended size guide.
XS
151cm - 164cm
SM
160cm - 172cm
MD
166cm - 179cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Suspension Fork
A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
Drivetrain
Rear Derailleur
microSHIFT Advent RD-M6195M, 9-Speed
Shift Levers
Shimano Deore M5100, 11-speed
Cassette
microSHIFT Advent CS-H093, 11-46t, 9-speed
Crank
Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard, 40T
Bottom Bracket
Threaded BSA 68mm
Chain
KMC X9, 9-speed w/ Missing Link™
Pedals
Specialized Body Geometry Fitness, platform, plastic
Wheels
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, double-wall alloy, 22mm depth, 21mm internal width, 32h
Spokes
Stainless, 14g
Tires
Front: Pathfinder Sport, 700x42mm, Rear: Pathfinder Sport, 700x42mm
Brakes
Brakes
Front: Tektro HD-R280, hydraulic disc, 160 mm rotor, Rear: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
Cockpit
Stem
3D-forged alloy, 31.8mm, 7-degree rise
Handlebar
Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Seat
Saddle
Bridge Sport, Steel rails, 155/143mm
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD |
|---|---|---|---|
| Stack Reach Ratio | 1.412 mm | 1.408 mm | 1.453 mm |
| Bottom Bracket Height | 288 mm | 288 mm | 288 mm |
| Front Center | 628 mm | 637 mm | 646 mm |
| Rake | 51 mm | 51 mm | 51 mm |
| Trail | 76 mm | 76 mm | 69 mm |
| Stack | 555 mm | 563 mm | 593 mm |
| Reach | 393 mm | 400 mm | 408 mm |
| Top Tube Length | 557 mm | 567 mm | 584 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 395 mm | 450 mm | 500 mm |
| Head Tube Angle | 70 ° | 70 ° | 71 ° |
| Head Tube Length | 139 mm | 147 mm | 175 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1058 mm | 1068 mm | 1077 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm |
| Standover Height | 636 mm | 636 mm | 641 mm |
| Wheels | 700 | 700 | 700 |
| Rider Min Height | 151 cm | 160 cm | 166 cm |
| Rider Max Height | 164 cm | 172 cm | 179 cm |