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The 2021 Cannondale F-Si Carbon 2 is a 27.5″ / 29″ carbon frame hardtail crosscountry bike with ultra high-end components.

2021 Cannondale F-Si Carbon 2
MSRP$5,550
Online Price
$1

At

CategoryCrosscountry
Weight20.9 lbs
FrameCarbon
ForkCannondale Lefty Ocho Carbon
Wheel Size27.5″ / 29″
Wheel MaterialCarbon
Brake TypeHydraulic Disc
GroupsetXTR
Drivetrain1 × 12
Gear Range

Cannondale F-Si Carbon 2

29 mph
SuspensionHardtail
Front Travel100mm
Rear Travel-
SeatpostRigid
Brand Sitecannondale.com
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F-Si Carbon 2

Geometry

Specs
Frame

BallisTec 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

Fork

Lefty Ocho Carbon, 27.5/29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 50/55mm offset

Bottom Bracket

Cannondale Alloy PressFit30

Headset

Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)

Stem

Cannondale 1, 7075 Alloy, 1-1/8", 31.8, 7°

Handlebar

Cannondale 1 Flat, Carbon, 31.8mm, 9° backsweep, 760mm

Saddle

Fabric Scoop Flat Race, titanium rails

Seatpost

Cannondale 2 Carbon 27.2x400

Pedals

Not included

Grips

Cannondale Locking Grips

Groupset
Rear Derailleur

Shimano XTR, Shadow Plus

Crank

HollowGram, BB30 w/X-Sync® SpideRing, 34T, Ai offset

Shifters

Shimano XT, 12-speed

Cassette

Shimano XT, 10-51, 12-speed

Chain

Shimano XT, 12-speed

Brakes

Shimano Deore XT Race disc, 160/160mm XT rotors

Brake Levers

Shimano Deore XT Race hydro disc

Wheels
Rims

HollowGram 23, Superlight Hi-Impact Carbon, tubeless ready, 28h, 23mm inner width

Spokes

Formula 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(R) Schwalbe Racing Ralph 27.5/29 x 2.25", Snake Skin, Addix Speed Compound, tubeless ready