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Today’s Deals2026 Specialized
Sirrus X 1.0 Step-Through
A 700c aluminum frame fitness bike with modest components and mechanical disc brakes.
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Manufacturer Price
$699| Weight | 25.8 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Rigid |
| Fork | Steel |
| Wheels | 700c Aluminum |
| Drivetrain | 1 × 7 |
| Groupset | Acera, Altus |
| Brakes | Mechanical Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Sirrus X model range
View Comparison4'11" – 5'5"
5'2" – 5'8"
5'5" – 5'11"
🐐 Estimated
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Feb 2024 · Simon Withers
Single-ring aluminium machine with all-road and gravel ambitions
Great price
Good comfort
Practical and versatile
Excellent braking
Reflective logos
Biggish gear jumps
No bar ends
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts Color: Satin Grey Blue / Cast Blue Metallic Frost Reflective |
|---|---|
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Bottom Bracket | Square-tapered, 68mm |
| Stem | 3D-forged alloy, 31.8mm, 7-degree rise |
| Handlebar | Specialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm Type: Rigid |
| Pedals | Specialized, platform |
| Rear Derailleur | Shimano Acera, 8-speed |
|---|---|
| Crank | Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm, Narrow Wide Steel 42T |
| Shifters | Shimano Altus SL-M315-7R, 7-Speed |
| Cassette | microSHIFT CS-H074, 12-40t, 7-Speed |
| Chain | KMC X8 w/ Missing Link™ |
| Brakes | Front: Lee Chi, Mechanical Disc, Rear: Lee Chi, Mechanical Disc Type: Mechanical Disc |
| Rims | 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width |
|---|---|
| Spokes | Stainless, 14g |
| 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, 36h, 10x135mm |
| Tires | Front: Pathfinder Wirebead Fast Gravel 700X40C, Rear: Pathfinder Wirebead Fast Gravel 700X40C |
First added September 1
Last updated June 20