Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Cannondale
2021 Cannondale F-Si Carbon 3
Value Guide market data · 2021 Cannondale F-Si Carbon 3
12-month trend
12%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Cannondale F-Si Carbon 3
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All F-Si model years
2021 F-Si Carbon 3 lineup
Overview
About this bike
2021 Cannondale F-Si Carbon 3 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Lefty Ocho, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset
- Frame
- BallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset
Drivetrain
- Groupset
- Shimano Deore
- Bottom Bracket
- Cannondale Alloy PressFit30
- Cassette
- Shimano SLX, 10-51, 12-speed
- Chain
- Shimano SLX, 12-speed
- Crankset
- HollowGram, BB30a, OPI SpideRing, 34T
- Rear Derailleur
- Shimano XT
- Shifters
- Shimano SLX, 12-speed
Brakes
- Brake Levers
- Shimano Deore hydraulic disc
- Brakes
- Shimano Deore hydraulic disc, 160/160mm RT66 rotors
Cockpit
- Handlebar
- Cannondale 2 Flat, butted 2014 Alloy, 31.8mm, 3° rise, 8° sweep, 760mm
- Headset
- Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small and extra small only)
- Saddle
- Fabric Scoop Shallow Elite, cro-mo rails
- Seatpost
- Cannondale 2, Carbon, 27.2 x 400mm, 0mm offset
- Stem
- Cannondale 3, 6061 Alloy, 31.8, 7°
- Grips
- ESI Chunky Silicone, 32mm dia.
Wheels & Tires
- Front Tire
- Front: Schwalbe Racing Ray Performance, 29 x 2.25", Addix Compound, tubeless ready, Rear: Schwalbe Racing Ralph Performance, 29 x 2.25", Addix Compound, tubeless ready
- Hubs
- Front: Lefty 60, Rear: Shimano SLX, 12 x 148mm thru-axle
- Rims
- Stan's NoTubes Crest MK3, 28h, tubeless ready
- Spokes
- DT Swiss Competition
Pedals
- Pedals
- Sold separately
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.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.