2021 Cannondale F-Si Carbon 2

The 2021 Cannondale F-Si Carbon 2 is a 29″ carbon frame hardtail crosscountry bike with ultra high-end components.

View on www.cannondale.com

2021 Cannondale F-Si Carbon 2
  • MSRP $5,550
  • Weight 20.9 lbs / 9.5 kg
  • Front Travel 100mm
  • Frame Carbon
  • Fork Cannondale Lefty Ocho Carbon
  • Wheels 29″ Carbon
  • Drivetrain 1 × 12
  • Groupset XTR
  • Brakes Hydraulic Disc
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Gearing

1 × 12 — 12 speed

2021 Cannondale F-Si Carbon 2
29 mph
Similar Bikes
27 mph

The F-Si Carbon 2 is geared about the same as similar bikes for riding up hills.

Similar bikes won‘t keep up with the F-Si Carbon 2 while riding downhill or sprinting.


Estimated Spec Level

Estimated spec level of the F-Si Carbon 2 compared to other crosscountry bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.

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est. spec level →$0$1,000$2,000$3,000$4,000$5,000$6,000
This bike
Other crosscountry bikes

Reviews

Specs
Build
FrameBallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset, SAVE, PF30-83, Tapered head tube, Speed Release 12mm thru axle, Ai Offset
ForkLefty Ocho Carbon, 27.5/29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 50/55mm offset
Bottom BracketCannondale Alloy PressFit30
HeadsetIntegrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)
StemCannondale 1, 7075 Alloy, 1-1/8", 31.8, 7°
HandlebarCannondale 1 Flat, Carbon, 31.8mm, 9° backsweep, 760mm
SaddleFabric Scoop Flat Race, titanium rails
SeatpostCannondale 2 Carbon 27.2x400
GripsCannondale Locking Grips
Groupset
Rear DerailleurShimano XTR, Shadow Plus
CrankHollowGram, BB30 w/X-Sync® SpideRing, 34T, Ai offset
ShiftersShimano XT, 12-speed
CassetteShimano XT, 10-51, 12-speed
ChainShimano XT, 12-speed
BrakesShimano Deore XT Race disc, 160/160mm XT rotors
Brake LeversShimano Deore XT Race hydro disc
Wheels
RimsHollowGram 23, Superlight Hi-Impact Carbon, tubeless ready, 28h, 23mm inner width
SpokesFormula Grand Forza
Front Hub(F) Lefty 60
Rear Hub(R) Hollowgram w/ DT internals 12x148 w/ Micro Spline
Tires(F) Schwalbe Racing Ray 27.5/29 x 2.25", Snake Skin, Addix Speedgrip Compound, tubeless ready
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