Rear tire: 700C×42.
Velopedia Bicycle Archive
2024 Specialized Sirrus X 2.0
Original specifications: 12.08 kg (26 lb, 10.1 oz) published weight · geometry for 6 published sizes.
Selling this bike? Get the spec link and selling options
At a glance
- Model year
- 2024
- Category
- Hybrid
- Original MSRP
- $774.99
- Sizes
- XXS, XS, S, M, L, XL
- Colors
- Satin Birch / Satin Reflective White, Gloss Electric Green / Satin Reflective Smoke
- Weight
- 12.08 kg (26 lb, 10.1 oz)
- Geometry
- 6 manufacturer sizes
- In this record
- 22 specifications · 6 archived images · original MSRP · geometry
- Archive ID
- 900003978
Model history 2 other years
Original buildAluminum
Frameset
| Frame Construction | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
|---|---|
| Frame Material | Aluminum |
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Fork Material | Steel |
Drivetrain
| Shifters | microSHIFT Acolyte, 8-speed |
|---|---|
| Rear Derailleur | microSHIFT Acolyte, 8-speed |
| Crankset | Alloy Forged Arms; chainrings: Narrow-wide chainring w/ chainguard, 40t |
| Bottom Bracket | BSA, square-taper, 68mm |
| BB Shell Width | 68 mm |
| Cassette | microSHIFT Acolyte CS-H084, 12-42t, 8-speed |
| Chain | KMC X8 w/ Missing Link™ |
| Pedals | Specialized Body Geometry Fitness, Platform, Plastic |
Brakes
| Brakes | (F) Promax F1, hydraulic disc, flat-mount, 160mm / (R) Promax F1, hydraulic disc, flat-mount, 160mm |
|---|
Cockpit & Contact Points
| Handlebar | Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm |
|---|---|
| Stem | 3D-forged alloy, 31.8mm, 7-degree rise |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
Wheels & Tires
| Hubs | (F) Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h / (R) 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 |
| Front Tire | Pathfinder Sport, 700x42mm |
| Rear Tire | Pathfinder Sport, 700x42mm |
Geometry
Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
All geometry measurements6 sizes · 20 measurements
| Measurement | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Seat tube | 360 mm | 395 mm | 440 mm | 470 mm | 510 mm | 530 mm |
| Effective top tube | 532 mm | 560 mm | 574 mm | 582 mm | 602 mm | 552 mm |
| Head tube | 121 mm | 139 mm | 147 mm | 175 mm | 191 mm | 217 mm |
| Head-tube angle | 69.5° | 70° | 70° | 71° | 71° | 71° |
| Seat-tube angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
| Chainstay / rear center | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1036 mm | 1053 mm | 1061 mm | 1067 mm | 1076 mm | 1096 mm |
| Bottom-bracket drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Bottom-bracket height | 288 mm | 288 mm | 288 mm | 288 mm | 288 mm | 288 mm |
| Reach | 373 mm | 388 mm | 393 mm | 398 mm | 402 mm | 414 mm |
| Stack | 536 mm | 555 mm | 563 mm | 593 mm | 608 mm | 633 mm |
| Standover height | 702 mm | 725 mm | 755 mm | 785 mm | 815 mm | 837 mm |
| Fork offset / rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Front center | 606 mm | 623 mm | 636 mm | 645 mm | 665 mm | 631 mm |
| Trail | 79 mm | 76 mm | 76 mm | 69 mm | 69 mm | 69 mm |
| Fork length / axle-to-crown | 395 mm | 395 mm | 395 mm | 395 mm | 395 mm | 395 mm |
| Seatpost length | 300 mm | 300 mm | 350 mm | 350 mm | 400 mm | 400 mm |
| Crank length | 165 mm | 165 mm | 170 mm | 170 mm | 175 mm | 175 mm |
| Stem length | 60 mm | 60 mm | 70 mm | 80 mm | 90 mm | 100 mm |
| Handlebar width | 680 mm | 680 mm | 680 mm | 680 mm | 680 mm | 680 mm |
Dimensions as recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Parts & serviceability
Find replacement parts

SRAM PC-870 Chain One Color, 8 Speed, 114 Links
8 Speed, 114 Links
Replacement option · verify fit
More parts (4)

ENVE Twin Bolt Seatpost - 25mm Offset UD Carbon, 27.2mm
27.2mm
Replacement option · verify fit
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2024 Specialized Sirrus X 2.0 · Hybrid · Published sizes: XXS, XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: 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 · Steel
Drivetrain
Check drivetrain wear →Archived: Shifters: microSHIFT Acolyte, 8-speed · Rear derailleur: microSHIFT Acolyte, 8-speed · Crankset: Alloy Forged Arms; chainrings: Narrow-wide chainring w/ chainguard, 40t · Bottom bracket: BSA, square-taper, 68mm · Cassette: microSHIFT Acolyte CS-H084, 12-42t, 8-speed · Chain: KMC X8 w/ Missing Link™
Brakes
Inspect the brakes →Archived: Brakes: (F) Promax F1, hydraulic disc, flat-mount, 160mm / (R) Promax F1, hydraulic disc, flat-mount, 160mm
Wheels and tires
Check wheels and tires →Archived: Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h · Hubs: (F) Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h / (R) Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h · Front tire: Pathfinder Sport, 700x42mm · Rear tire: Pathfinder Sport, 700x42mm
Controls and contact points
Archived: Handlebar: Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm · Stem: 3D-forged alloy, 31.8mm, 7-degree rise · Seatpost: Alloy, 12mm offset, 2-bolt clamp, 27.2mm · Saddle: Bridge Sport, Steel rails, 155/143mm · Pedals: Specialized Body Geometry Fitness, Platform, Plastic
Before and during the test ride
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Gallery6 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

