2020 Cannondale

SystemSix Carbon Ultegra

A carbon frame aero bike with high-end components and hydraulic disc brakes.
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MSRP$4,750
Weight17.6 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 11
GroupsetUltegra
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
SystemSix Carbon Ultegra
Other Aero bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

41 mph

SystemSix Carbon Ultegra

40 mph

Similar Bikes

Highest gear

(descending)

Sizing
47cm

5'2" – 5'8"

51cm

5'5" – 5'10"

54cm

5'7" – 5'11"

56cm

5'10" – 6'3"

58cm

6'0" – 6'4"

60cm

6'2" – 6'6"

62cm

6'5" – 6'9"

Rider Fit Notes

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Reviews
Cyclist
Cannondale SystemSix Ultegra review

Dec 2020 · Marc Abbott

Ultra-efficient aero racer with blistering performance and enviable comfort

Highs
  • Rapid handling

  • Proven aero performance

  • Incredible wheelset

  • Top comfort

  • Surprisingly adept climber

  • An altogether thrilling ride

Lows
  • A few 105 groupset components lurking in the shadows

Read Review

BikeRadar
Cannondale SystemSix Carbon Ultegra review

Jun 2020 · Warren Rossiter

This Aero Bike of the Year contender is a complete aero package built for speed

Highs
  • Agile, light and furiously fast

Lows
  • Narrow tyres

  • Lower-spec disc rotors

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Cycling Weekly
Cannondale SystemSix Carbon Ultegra Di2

Dec 2019 · Rupert Radley

The Cannondale SystemSix avoids the teething problems many brand's first aero bikes suffered from

Highs
  • Compliant frame

  • Fast wheels

  • Handling

Lows
  • Weight

  • Tyres

Read Review

Road Bike Action
Bike Test: Cannondale SystemSix

Sep 2019 · David Kennedy

Cannondale reintroduces an all-new and all-faster SystemSix

Read Review

VeloNews
Cannondale SystemSix Hi-Mod Ultegra Di2

May 2019 · Dan Cavallari

Combining aero and all-around functionality is a tricky task. Cannondale's SystemSix does it better than most.

Read Review

Gran Fondo Magazine
Cannondale SystemSix Hi-MOD DURA-ACE Di2 Review

Nov 2018 · Manuel Buck

The Cannondale SystemSix Hi-Mod was designed with a single goal in mind: to be the fastest and most efficient race bike. Did Cannondale succeed?

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Bikerumor
First Ride Review: 2019 Cannondale SystemSix, disc brakes & aero. Fastest road bike in the world?

Jul 2018

Riding the fast, new Cannondale SystemSix on Griona's rolling roads, it became clear this was more than just another carbon, disco brake aero road bike.

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Cycling Tips
Cannondale 2019 SystemSix first-ride review: 'Don't call it an aero bike!' - CyclingTips

Jul 2018 · Dave Everett

I’ve long been a fan of Cannondale bikes. I admired them for many years and finally acquired my very first back in the mid-2000s: a CAAD7 in what is possibly the most magnificent paint job they’ve ever done. A clear coat of toffee apple red lacquer with Saeco decals. I still regret selling that bike. […]

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

BallisTec Carbon, integrated cable routing w/ Switchplate, SAVE, PF30a, flat mount disc, 142x12 Speed Release thru-axle

BB StandardPF30, Press Fit

ColorsCashmere; Goldfinger

Fork

BallisTec Carbon, 1-1/8" - 1-1/4" steerer, 12x100mm Speed Release thru-axle, flat mount disc, 55mm offset (47-51cm) 45mm offset (54-62cm)

Bottom Bracket

Cannondale Alloy PressFit30

Headset

Tapered, 1-1/8” upper, 1-1/4” lower bearing

Stem

Vision Trimax OS, 2014 alloy, 3D Forged

Handlebar

Vision Metron 4D Flat, UD Carbon

Saddle

Prologo Dimension STN NDR, steel rails

Seatpost

HollowGram 60 KNØT Carbon, 330mm

TypeRigid

Pedals

Not Included

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

Shimano Ultegra GS

Front Derailleur

Shimano Ultegra, braze-on

Crank

HollowGram, BB30a w/ OPI SpideRing, 52/36

Shifters

Shimano Ultegra hydro disc, 2x11

Cassette

Shimano 105, 11-30, 11-speed

Chain

Shimano HG601, 11-speed

Brakes

Shimano Ultegra hydro disc, 160/140mm RT81 rotors

TypeHydraulic Disc

Brake Levers

Shimano Ultegra hydro disc

Wheels
Rims

Vision SC55 Carbon Clincher 12x100 front, SC55 Carbon Clincher 12x142 rear

Spokes

Vision, Aero bladed

Front Hub

Vision Sealed Cartridge hub 12x100

Rear Hub

Vision Sealed Cartridge hub, 12x148

Tires

Vittoria Rubino Pro Speed, 700 x 26mm (23c)

Rider Notes
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Last updated October 31
Not listed for 146 days