HybridPartial spec
2021 Specialized Sirrus X 4.0
Lists today at $1,500 (2026-09)
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What a used one is worth
Open the value toolNew
$838
$541 to $1,010
Like new
$796
$514 to $959
Excellent
$754
$487 to $909
Good
$629
$406 to $757
Fair
$461
$298 to $555
For parts
$251
$162 to $303
From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.
Overview
- Brand
- Specialized
- Model family
- Sirrus
- Model year
- 2021
- Category
- Hybrid · fitness
- Frame material
- aluminum
- Sizes
- XXS, XS, S, M, L, XL
- Wheel size
- 700c
- Current list price
- $1,500 (as of 2026-09)
Drivetrain
- Speeds
- 11
- Groupset
- Shimano Deore M5100
- Electronic
- false
Build
- Fork
- Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5
- Stem
- Future Stem, Comp
- Tires
- Pathfinder Sport, 700x38mm
- Brakes
- Shimano BR-MT200, hydraulic disc, 160mm
- Saddle
- Bridge Comp, Hollow Cr-mo rails, 155/143mm
- Wheels
- 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
- Cassette
- Shimano Deore M5100, 11-speed, 11-42t
- Crankset
- Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring
- Seatpost
- Alloy, 2-bolt, 14mm offset, 27.2mm
- Shifters
- Shimano Deore M5100, 11-speed
- Handlebar
- Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm
- Rear derailleur
- Shimano Deore M5100, SGS, 11-speed
MSRP read from Specialized's live archived product listing on 2026-09-21. Price labels fixed 2026-09-27: the live archived listing shows the product's last regular price, not its launch price, so the $1,500 moved to list_price_usd as of 2026-09 and msrp_usd is null.
For sale now
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Other Sirrus builds and years
- 2026 Sirrus X 1.0$700
- 2026 Sirrus X 1.0 Step-Through$700
- 2026 Sirrus X 2.0$900
- 2026 Sirrus X 2.0 Step-Through$900
- 2026 Sirrus X 3.0$1,100
- 2026 Sirrus X 3.0 Step-Through$1,100
- 2026 Sirrus X 4.0$1,400
- 2025 Sirrus X 1.0$700
- 2025 Sirrus X 1.0 Step-Through$700
- 2025 Sirrus X 2.0$900
- 2025 Sirrus X 2.0 Step-Through$900
- 2025 Sirrus X 3.0$1,000
- 2025 Sirrus X 3.0 Step-Through$1,100
- 2025 Sirrus X 4.0$1,250
- 2025 Sirrus X 6.0$2,750
- 2024 Sirrus X 2.0$775
- 2023 Sirrus 1.0$650
- 2023 Sirrus 2.0 Step-Through$775
- 2023 Sirrus 3.0$1,200
- 2023 Sirrus 3.0 Step-Through$1,200
- 2023 Sirrus 4.0$1,600
- 2023 Sirrus 6.0$3,000
- 2023 Sirrus X 2.0$775
- 2023 Sirrus X 3.0$1,000
- 2023 Sirrus X 4.0$1,350
- 2023 Sirrus X 5.0$2,500
- 2022 Sirrus 1.0$650
- 2022 Sirrus 2.0$775
- 2022 Sirrus 2.0 Step-Through$775
- 2022 Sirrus 3.0$1,200
- 2022 Sirrus 4.0$1,600
- 2022 Sirrus 6.0$3,000
- 2022 Sirrus X 2.0$775
- 2022 Sirrus X 3.0$1,000
- 2022 Sirrus X 4.0$1,350
- 2022 Sirrus X 5.0$2,350
- 2021 Sirrus 1.0$650
- 2021 Sirrus 2.0$775
- 2021 Sirrus 2.0 Step Through$775
- 2021 Sirrus 3.0 Step Through$1,200
- 2021 Sirrus 4.0$1,500
- 2021 Sirrus 6.0$3,250
- 2021 Sirrus X 2.0$775
- 2021 Sirrus X 2.0 Step Through$775
- 2021 Sirrus X 3.0$1,000
- 2021 Sirrus X 5.0$2,500
- 2020 Sirrus - Men's Spec$625
- 2020 Sirrus – V-Brake – Men's Spec$475
- 2020 Sirrus – Women's Spec$625
- 2020 Sirrus 1.0$475
- 2020 Sirrus 3.0$875
- 2020 Sirrus Expert Carbon – Men's Spec$2,100
- 2020 Sirrus Expert Carbon – Women's Spec$2,100
- 2020 Sirrus Pro Carbon – Men's Spec$2,700
- 2020 Sirrus Single-Speed – Men's Spec$450
- 2020 Sirrus Sport – Men's Spec$900
- 2020 Sirrus Sport Step-Through – Women's Spec$900
- 2020 Sirrus Step-Through – Women's Spec$625
- 2020 Sirrus V-Brake – Women's Spec$475