2021 Specialized Sirrus X 2.0
Aluminum frame hybrid bike
View on www.specialized.com
- MSRP $600
- Suspension Rigid
- Frame Aluminum
- Fork Steel
- Wheels 700c
- Drivetrain 1 × 8
- Brakes Hydraulic Disc
1 × 8 — 8 speed
The 2021 Sirrus X 2.0 is geared about the same as similar bikes for riding up hills.
The 2021 Sirrus X 2.0 won‘t keep up with similar bikes while riding downhill or sprinting.
Estimated spec level of the Sirrus X 2.0 compared to other hybrid bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.
This bike
Other hybrid bikes
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
|---|---|
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Bottom Bracket | BSA, square-taper, 68mm |
| Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| Handlebar | Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Pedals | Specialized Body Geometry Fitness, platform, plastic |
| Rear Derailleur | MicroSHIFT Advent 8 Speed, W/O Clutch |
|---|---|
| Crank | 3 pc, Alloy Forged Arms, 40T, Narrow-wide Steel |
| Shifters | MicroSHIFT, 8-Speed |
| Cassette | MicroSHIFT, 8-Speed, 12-42t |
| Chain | KMC X8 w/ Missing Link™ |
| Brakes | Promax F1, hydraulic disc, flat-mount, 160mm |
| Rims | 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h |
|---|---|
| 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, 32h |
| Tires | Pathfinder Sport, 700x42mm |
2021 Specialized Sirrus X 2.0
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