Compare Bikes

2021 Cannondale F-Si Carbon 5
2021 Cannondale F-Si Carbon 4
2021 Cannondale F-Si Carbon Women's 2
2021 Cannondale F-Si Carbon 3
2021 Cannondale F-Si Carbon 2
2021 Cannondale F-Si Hi-MOD 1
2021 Cannondale F-Si Hi-MOD World Cup
2021 Cannondale F-Si Hi-MOD Ultimate
MSRP$2,700$3,350$3,500$4,250$5,550$9,000$11,000($14,633)
Online Price
$1

At

$1

At

$1

At

$1

At

$1

At

$1

At

$1

At

$1

At

CategoryCrosscountryCrosscountryCrosscountryCrosscountryCrosscountryCrosscountryCrosscountryCrosscountry
Weight24.5 lbs24.7 lbs20.9 lbs19.4 lbs
FrameCarbonCarbonCarbonCarbonCarbonCarbonCarbonCarbon
ForkFox Float 32
Cannondale Lefty Ocho
Cannondale Lefty Ocho
Cannondale Lefty Ocho
Cannondale Lefty Ocho Carbon
Cannondale Lefty Ocho Carbon
Cannondale Lefty Ocho Carbon
Cannondale Lefty Ocho Carbon
Wheel Size29″29″29″29″29″29″29″29″
Wheel MaterialAluminumAluminumAluminumAluminumCarbonCarbonCarbonCarbon
Brake TypeHydraulic DiscHydraulic DiscHydraulic DiscHydraulic DiscHydraulic DiscHydraulic DiscHydraulic DiscHydraulic Disc
GroupsetNX Eagle, Truvativ Stylo
NX Eagle, Truvativ Stylo
NX Eagle, Truvativ Stylo
XT, SLX
XTR
XTR
XX1 Eagle AXS, X01 Eagle AXS
XX1 Eagle AXS, X01 Eagle AXS
Drivetrain1 × 121 × 121 × 121 × 121 × 121 × 121 × 12 Electronic1 × 12 Electronic
Gear Range

Cannondale F-Si Carbon 5

27 mph

Cannondale F-Si Carbon 4

27 mph

Cannondale F-Si Carbon Women's 2

27 mph

Cannondale F-Si Carbon 3

29 mph

Cannondale F-Si Carbon 2

29 mph

Cannondale F-Si Hi-MOD 1

29 mph

Cannondale F-Si Hi-MOD World Cup

29 mph

Cannondale F-Si Hi-MOD Ultimate

29 mph
SuspensionHardtailHardtailHardtailHardtailHardtailHardtailHardtailHardtail
Front Travel100mm100mm100mm100mm100mm100mm100mm100mm
Rear Travel--------
SeatpostRigidRigidRigidRigidRigidRigidRigidRigid
Brand Sitecannondale.comcannondale.comcannondale.comcannondale.comcannondale.comcannondale.comcannondale.comcannondale.com
Suggested Bikes

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

Spec level →$0$2,000$4,000$6,000$8,000$10,000$12,000$14,000
F-Si Carbon 5
F-Si Carbon 4
F-Si Carbon Women's 2
F-Si Carbon 3
F-Si Carbon 2
F-Si Hi-MOD 1
F-Si Hi-MOD World Cup
F-Si Hi-MOD Ultimate

Geometry

Specs
Frame

BallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset

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

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

BallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset

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

BallisTec Hi-Mod Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset

Hi-MOD 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

BallisTec Hi-Mod Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset

Fork

Fox float 32 SC, 100mm, 15x100mm thru-axle, remote lockout, tapered steerer, 51mm offset.

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

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

Lefty Ocho, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset

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

Lefty Ocho Carbon, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset

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

Lefty Ocho Carbon, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset

Bottom Bracket

SRAM DUB PF30 MTB83

SRAM DUB PF30 MTB83

SRAM DUB PF30 MTB83

Cannondale Alloy PressFit30

Cannondale Alloy PressFit30

Cannondale Alloy PressFit30

SRAM DUB PF30 MTB83

SRAM DUB PF30 MTB83

Headset

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

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

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

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

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

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

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

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

Stem

Cannondale 3, 6061 Alloy, 31.8, 7°

Cannondale 3, 6061 Alloy, 31.8, 7°

Cannondale 3, 6061 Alloy, 31.8, 7°

Cannondale 3, 6061 Alloy, 31.8, 7°

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

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

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

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

Handlebar

Cannondale 3 Flat, 6061 double-butted Alloy, 31.8mm, 3° rise, 8° sweep, 760mm

Cannondale 3 Flat, 6061 double-butted Alloy, 31.8mm, 3° rise, 8° sweep, 760mm

Cannondale 3 Flat, 6061 double-butted Alloy, 31.8mm, 3° rise, 8° sweep, 760mm

Cannondale 2 Flat, butted 2014 Alloy, 31.8mm, 3° rise, 8° sweep, 760mm

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

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

ENVE M5, Carbon, 760mm, 31.8mm, 5mm rise, 9° sweep

ENVE M5, Carbon, 31.8mm, 5mm rise, 9° sweep, 760mm

Saddle

Fabric Scoop Shallow Sport, steel rails

Fabric Scoop Flat Elite, cro-mo rails

Prologo Kappa Dea RS

Fabric Scoop Shallow Elite, cro-mo rails

Fabric Scoop Flat Race, titanium rails

Prologo Dimension NDR, Tirox rails

Prologo Zero II, Tirox rails

PROLOGO Dimension NDR CPC Tirox Saddle

Seatpost

Cannondale 3, 6061 Alloy, 27.2 x 400mm

Cannondale 3, 7075 Alloy, 27.2 x 400mm

Cannondale 3, 7075 Alloy, 27.2 x 350mm

Cannondale 2, Carbon, 27.2 x 400mm, 0mm offset

Cannondale 2 Carbon 27.2x400

ENVE Carbon, 27.2 x 400mm, 0mm offset

ENVE Carbon, 27.2 x 400mm, 0mm offset

ENVE Carbon, 27.2 x 400mm, 0mm offset

Grips

Fabric FunGuy

Cannondale Locking Grips

Cannondale Low-Profile Locking Grips

ESI Chunky Silicone, 32mm dia.

Cannondale Locking Grips

ESI Chunky Silicone, 32mm dia.

Cannondale Locking Grips

ESI Chunky Silicone, 32mm dia.

Groupset
Rear Derailleur

SRAM NX Eagle

SRAM NX Eagle

SRAM NX Eagle

Shimano XT

Shimano XTR, Shadow Plus

Shimano XTR

SRAM XX1 Eagle AXS

SRAM XX1 Eagle AXS

Crank

Truvativ Stylo 6K DUB, 34T, Ai offset

Truvativ Stylo 6K DUB, 34T, Ai offset

Truvativ Stylo 6K DUB, 34T (XS, S) 32T (M), Ai offset

HollowGram, BB30a, OPI SpideRing, 34T

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

HollowGram, BB30a, OPI SpideRing, 34T, Ai offset

SRAM XX1 Eagle DUB, 34T, Ai offset

SRAM XX1 Eagle DUB, 34T, Ai offset

Shifters

SRAM NX Eagle, 12-speed

SRAM NX Eagle, 12-speed

SRAM NX Eagle, 12-speed

Shimano SLX, 12-speed

Shimano XT, 12-speed

Shimano XTR, 12-speed

SRAM Eagle AXS, 12-speed

SRAM Eagle AXS, 12-speed

Cassette

SRAM SX Eagle, 11-50, 12-speed

SRAM PG-1230, NX Eagle, 11-50, 12-speed

SRAM PG-1230, NX Eagle, 11-50, 12-speed

Shimano SLX, 10-51, 12-speed

Shimano XT, 10-51, 12-speed

Shimano XT, 10-51, 12-speed

SRAM XG-1299, 10-50, 12-speed

SRAM XG-1299, XX1 Eagle, Copper, 10-52, 12-speed

Chain

SRAM SX Eagle, 12-speed

SRAM NX Eagle, 12-speed

SRAM NX Eagle, 12-speed

Shimano SLX, 12-speed

Shimano XT, 12-speed

Shimano XT, 12-speed

SRAM XX1 Eagle, 12-speed

SRAM XX1 Eagle, Copper, 12-speed

Brakes

Shimano MT500 hydraulic disc, 160/160mm RT54 rotors

Shimano MT500 hydro disc, 160/160mm RT66 rotors

Shimano MT500 hydro disc, 160/160mm RT66 rotors

Shimano Deore hydraulic disc, 160/160mm RT66 rotors

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

Shimano XTR hydraulic disc, 160/160mm RT86 Ice Tech rotors

SRAM Level Ultimate hydro disc, 160/160mm Centerline rotor

SRAM Level Ultimate hydraulic disc, CenterLine X 160/160mm rotors

Brake Levers

Shimano MT500 hydraulic disc

Shimano MT500 hydro disc

Shimano MT500 hydro disc

Shimano Deore hydraulic disc

Shimano Deore XT Race hydro disc

Shimano XTR hydraulic disc

SRAM Level Ultimate hydro disc

SRAM Level Ultimate hydraulic disc

Wheels
Rims

WTB STX i23 TCS, 32h, tubeless ready

WTB STX i21 TCS, 28h, tubeless ready

WTB STX i21 TCS, 28h, tubeless ready

Stan's NoTubes Crest MK3, 28h, tubeless ready

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

HollowGram 25, Superlight Hi-Impact Carbon, 28h, 25mm IW, tubeless ready

ENVE M525 Carbon, 24h, tubeless ready

ENVE M525 Carbon, 24h, tubeless ready

Spokes

DT Swiss Champion

DT Swiss Champion

DT Swiss Champion

DT Swiss Competition

Formula Grand Forza

DT Swiss Competition Race, straight-pull

DT Swiss Aerolite (Ai Offset dish - rear)

DT Swiss Aerolite, straight pull

Front Hub

Shimano MT400, 15x110mm thru-axle

(F) Lefty 60

(F) Lefty 60

Lefty 60

(F) Lefty 60

(F) HollowGram Lefty 60 / (R) HollowGram w/DT Swiss Star Ratchet internals, 12x148mm

(F) Lefty 60

Lefty 60

Rear Hub

Shimano MT400 12x148

(R) Formula 12x148 w/ HG driver

(R) Formula 12x148 w/ HG driver

Shimano SLX, 12x148

(R) Hollowgram w/ DT internals 12x148 w/ Micro Spline

(F) HollowGram Lefty 60 / (R) HollowGram w/DT Swiss Star Ratchet internals, 12x148mm

(R) DT Swiss C36 12x148 w/ XD driver

DT Swiss, 12x148

Tires

(F) Schwalbe Racing Ray Performance, 29 x 2.25", Addix Compound, tubeless ready, (R) Schwalbe Racing Ralph Performance, 29 x 2.25", Addix Compound, tubeless ready

(F) Schwalbe Racing Ray Performance 27.5/29 x 2.25", Addix Compound, tubeless ready(R) Schwalbe Racing Ralph Performance 27.5/29 x 2.25" rear, Addix compound, tubeless ready

(F) Schwalbe Racing Ray Performance 27.5/29 x 2.25", Addix Compound, tubeless ready(R) Schwalbe Racing Ralph Performance 27.5/29 x 2.25" rear, Addix compound, tubeless ready

(F) Schwalbe Racing Ray Performance, 29 x 2.25", Addix Compound, tubeless ready, (R) Schwalbe Racing Ralph Performance, 29 x 2.25", Addix Compound, tubeless ready

(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

(F) Schwalbe Racing Ray EVO, 29 x 2.25", SnakeSkin, Addix Speedgrip, tubeless ready, (R) Schwalbe Racing Ralph EVO, 29 x 2.25", SnakeSkin, Addix Speed, tubeless ready

(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

(F) Schwalbe Racing Ray EVO, 29 x 2.25", SnakeSkin, Addix Speedgrip, tubeless ready, (R) Schwalbe Racing Ralph EVO, 29 x 2.25", SnakeSkin, Addix Speed, tubeless ready