2021 Cannondale

SystemSix Hi-MOD Ultegra Di2

A carbon frame aero bike with high-end components and hydraulic disc brakes.
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MSRP$8,000
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 11 Electronic
GroupsetUltegra Di2
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
SystemSix Hi-MOD Ultegra Di2
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 Hi-MOD Ultegra Di2

40 mph

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Highest gear

(descending)

Spec Level

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

Compare the full SystemSix model range

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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

None yet.

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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

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.

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BikeRadar
Cannondale SystemSix Hi-Mod Dura Ace Di2 review

Mar 2019 · Warren Rossiter

Our Race Bike of the Year 2019 is super-fast, comfortable and a lot of fun to ride

Highs
  • Just what we want from Cannondale, Evo-quality handling and an aero advantage

Lows
  • The pay-to-play power meter is a tough sell, and let’s have it tubeless already

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. […]

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Hi-MOD Carbon, integrated cable routing w/ Switchplate, SAVE, PF30a, flat mount disc, 12x142 Speed Release thru-axle

BB StandardPF30, Press Fit

ColorMercury

Fork

BallisTec Hi-MOD 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

Integrated, 1-1/8" - 1-1/4

Stem

HollowGram KNØT, Alloy w/ cable cover, -17°

Handlebar

HollowGram KNØT SystemBar, Carbon, 8 deg. pitch adjust

Saddle

Fizik Tempo Argo R5, 150mm width, S-Alloy rails

Seatpost

HollowGram 60 KNØT Carbon, 330mm

TypeRigid

Pedals

Not included

Grips

Cannondale Bar Tape, 3.5mm

Groupset
Rear Derailleur

Shimano Ultegra Di2

Front Derailleur

Shimano Ultegra Di2, braze-on

Crank

HollowGram, BB30a, OPI SpideRing, 52/36

Shifters

Shimano Ultegra Di2, 11-speed

Cassette

Shimano Ultegra, 11-30, 11-speed

Chain

Shimano HG701, 11-speed

Brakes

Shimano Ultegra Di2 hydraulic disc, 160/140mm RT800 rotors

TypeHydraulic Disc

Brake Levers

Shimano Ultegra Di2

Wheels
Rims

HollowGram 64 KNØT, Carbon, 20h front, 24h rear, 64mm deep, 21mm IW, tubeless ready

Spokes

HollowGram, 2.0/1.8/2.0, straight-pull

Front Hub

Formula, 12x104mm

Rear Hub

Formula, 12x146mm

Tires

Vittoria Rubino Pro Speed, 700 x 25c

Rider Notes
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Last updated April 20