Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Cannondale
2019 Cannondale F-Si Carbon 4
Previous used estimate
$1,018 - $1,047
Actual value depends on condition, size, and local demand.
Value Guide market data · 2019 Cannondale F-Si Carbon 4
12-month projected trend
13%
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Price over time - 2019 Cannondale F-Si Carbon 4
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All F-Si model years
Overview
About this bike
Cannondale's best XC hardtail just got better. If going really, really fast on dirt in lycra is your cup o' tea, nothing lets you top 'em on the climbs and drop 'em on the descents like the F-Si. The F-Si Carbon 4 features Cannondale's BallisTec Carbon frame with stiffness-enhancing Si offset. The Lefty Ocho fork features no-bind needle bearings and extreme stiffness for pinpoint steering, now with a single crown design. WTB STX i23 TCS wheels deliver on strength and lightweight, while the Schwalbe Racing Ray tires fly over hardpack and dig into sketchy corners. SRAM serves up 12 wide-ranging speeds, and gets it power through a stiff TruVativ crankset, resulting in efficient power transfer and crisp, precise shifting to give you the advantage on every part of the course. Shimano MT500 hydraulic disc brakes provide reliable braking power when you need it, so you can carry more speed and brake at the last possible second, and Cannondale's cockpit components and Fabric Scoop saddle keep you in control and race-ready.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Lefty Ocho, 29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset
- Component Hubs
- Lefty 60 front, Formula 12x148 rear w/ HG driver
- Component Size
- Small, Medium, Large, X-Large
- Component Stem
- Cannondale C3, 3D Forged 6061 Alloy, 1-1/8", 31.8, 7°
- Product Family
- F-Si
- Component Axles
- Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)
- Component Chain
- SRAM NX Eagle, 12-speed
- Component Color
- Black Pearl w/ Graphite, Charcoal and Fine Silver
- Component Frame
- F-Si, BallisTec Carbon, SAVE, PF30A, tapered head tube, Speed Release 12mm thru axle, Ai Offset
- Component Brakes
- Shimano MT500 hydro disc, 160/160mm RT66 rotors
- Component Saddle
- Fabric Scoop Flat Elite, cro-mo rails
- Component Headset
- Front: Lefty Rear: 148x12mm
- Component Cassette
- SRAM PG-1230, NX Eagle, 10-50, 12-speed
- Component Crankset
- Truvativ Stylo 6K
- Component Shifters
- SRAM NX Eagle, 12-speed
- Component Handlebar
- Cannondale C3 Flat, 6061 double-butted Alloy, 8° sweep, 760mm
- Component Seat Post
- Cannondale C3, 7075 Alloy, 27.2 x 400mm
- Component Chainrings
- 34T, Ai Custom
- Component Front Tire
- Schwalbe Racing Ray Performance 29 x 2.25" front, Racing Ralph Performance 2.25" rear, Addix Compound, tubeless ready
- Component Tape Grips
- Cannondale Locking Grips
- Component Brake Levers
- Shimano MT500 hydro disc
- Component Bottom Bracket
- Cannondale Alloy PressFit30
- Component Rear Derailleur
- SRAM NX Eagle
- Component Accessories Extras
- Speed Release rear axle
- Hubs
- Lefty 60 front, Formula 12x148 rear w/ HG driver
- Crankset
- Truvativ Stylo 6K
- Bottom Bracket
- Cannondale Alloy PressFit30
- Chain
- SRAM NX Eagle, 12-speed
- Saddle
- Fabric Scoop Flat Elite, cro-mo rails
- Handlebar
- Cannondale C3 Flat, 6061 double-butted Alloy, 8° sweep, 760mm
- Headset
- Front: Lefty Rear: 148x12mm
- Rear Derailleur
- SRAM NX Eagle
- Stem
- Cannondale C3, 3D Forged 6061 Alloy, 1-1/8", 31.8, 7°
- Accessories & Extras
- Speed Release rear axle
- Axles
- Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)
- Brake Levers
- Shimano MT500 hydro disc
- Brakes
- Shimano MT500 hydro disc, 160/160mm RT66 rotors
- Cassette
- SRAM PG-1230, NX Eagle, 10-50, 12-speed
- Chainrings
- 34T, Ai Custom
- Fork
- Lefty Ocho, 29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset
- Frame
- F-Si, BallisTec Carbon, SAVE, PF30A, tapered head tube, Speed Release 12mm thru axle, Ai Offset
- Seat Post
- Cannondale C3, 7075 Alloy, 27.2 x 400mm
- Shifters
- SRAM NX Eagle, 12-speed
- Tape/Grips
- Cannondale Locking Grips
- Color
- Black Pearl w/ Graphite, Charcoal and Fine Silver
- Size
- X-Large
- Front Tire
- Schwalbe Racing Ray Performance 29 x 2.25" front, Racing Ralph Performance 2.25" rear, Addix Compound, tubeless ready
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.