Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Specialized
2021 Specialized Sirrus X 5.0
Value Guide market data · 2021 Specialized Sirrus X 5.0
12-month trend
10%
Direction and magnitude, not judgment
vs. category average
24%
Holds value better than category avg
Price over time - 2021 Specialized Sirrus X 5.0
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Sirrus X model years
2021 Sirrus X 5.0 lineup
Overview
About this bike
2021 Specialized Sirrus X 5.0 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame
- Specialized FACT 9r carbon, Fitness Geometry, 1x drivetrain, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts
- Fork
- Carbon Monocoque, 12x100mm thru-axle, flat-mount disc, Future Shock 1.5
Drivetrain
- Groupset
- Shimano SLX
- Shift Levers
- Shimano SLX M7100, 12-speed
- Rear Derailleur
- Shimano SLX M7100, SGS, 12-speed
- Chain
- KMC X12, 12-speed w/ Missing Link™
- Cassette
- Sunrace CSMZ800, 12-speed, 11-51t
- Crankset
- Praxis Alba
- Chainrings
- 40T
- Bottom Bracket
- Praxis 68-0201B, 68mm BSA
- Shifters
- Shimano SLX M7100, 12-speed
Brakes
- Rear Brake
- Shimano BR-MT200, hydraulic disc, 160mm
- Front Brake
- Shimano BR-MT200, hydraulic disc, 160mm
- Brakes
- Shimano BR-MT200, hydraulic disc
Cockpit
- Seat Binder
- Integrated w/ frame
- Saddle
- Body Geometry Power Sport, steel rails
- Stem
- Future Stem, Comp
- Tape
- Specialized Neutralizer, Body Geometry, locking grip
- Handlebars
- Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm
- SeatPost
- Alloy, 2-bolt, 14mm offset, 27.2mm
- Grips
- Specialized Neutralizer, Body Geometry, locking grip
Wheels & Tires
- Rims
- 700C disc, double-wall alloy, 30mm depth, 21mm internal width, disc-specific
- Front Hub
- Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24H
- Rear Hub
- Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28H
- Spokes
- Stainless, 14g
- Front Tire
- Pathfinder Pro, 2Bliss Ready, 700x38mm
- Rear Tire
- Pathfinder Pro, 2Bliss Ready, 700x38mm
- Inner Tubes
- Presta, 48mm valve
- Axles
- Front: 100 x 12mm thru axle, Rear: 142 x 12mm thru axle
- Hubs
- Front: Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24h, Rear: Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28h
- Tires
- Pathfinder Pro, 2Bliss Ready, 700x38mm
Pedals
- Pedals
- Platform, alloy
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.