Which size or configuration labels have geometry for the 2021 Cannondale SystemSix Hi-MOD eTap?

Geometry is listed for 47, 51, 54, 56, 58, 60, and 62.

What are the reach and stack of the 2021 Cannondale SystemSix Hi-MOD eTap in size 56?

In size 56, reach is 392 mm and stack is 560 mm.

What is the head tube angle of the 2021 Cannondale SystemSix Hi-MOD eTap?

The head tube angle is 73 degrees in size 56.

What does the 2021 Cannondale SystemSix Hi-MOD Red eTap AXS ship with?

The stock build includes Cannondale Hi-MOD, BallisTec Hi-MOD, SRAM RED eTap AXS HRD, and Vittoria Rubino Pro.

Which years of the Cannondale SystemSix are on Quiver?

Quiver has the Cannondale SystemSix for 2021, 2020, and 2019.

2021

2021 Cannondale SystemSix Hi-MOD eTap

Road

The 2021 Cannondale SystemSix Hi-MOD eTap sits in the middle of the range for road bikes, with a shorter rear center. Reach 375 to 409 mm, stack 500 to 620 mm. The SystemSix Hi-MOD Red eTap AXS build comes with SRAM RED eTap AXS shifting and Vittoria Rubino Pro tires.

Compare with 1,800+ road bikes

Source: cannondale.com. Checked Oct 7, 2026.

Key facts

Brand: Cannondale
Model: SystemSix
Model year: 2021
Frame: Hi-MOD eTap
Type: Road
Geometry labels: 47, 51, 54, 56, 58, 60, and 62
Drivetrain: SRAM RED eTap AXS
Fork: BallisTec Hi-MOD
Geometry: Complete for every size
Checked: Oct 7, 2026

Geometry by size

Geometry drawing, size 56, to scale.

2021 Cannondale SystemSix Hi-MOD eTap geometry by size
Measurement	47	51	54	56	58	60	62
Reach(mm)	375	381	386	392	398	403	409
Stack(mm)	500	520	540	560	580	600	620
Head tube angle(°)	71.2	71.2	73	73	73	72.9	72.9
Seat tube angle(°)	74.5	74.1	73.7	73.3	72.9	72.5	72.1
Effective top tube(mm)	514	529	544	560	576	592	609
Chainstay length(mm)	405	405	405	405	405	405	405
Wheelbase(mm)	974	989	975	987	1000	1012	1024
BB drop(mm)	79	74	72	72	69	69	69
BB height(mm)	261	266	269	269	271	271	271
Standover(mm)	680	723	762	798	821	843	863
Seat tube length(mm)	385	433	482	530	553	577	600
Head tube length(mm)	88	114	128	149	172	193	214

How to read a geometry chart

Stock build

19 parts

Frame

Cannondale Hi-MOD

Frame

Suspension

BallisTec Hi-MOD

Fork

Drivetrain

SRAM RED eTap AXS HRD

Shifter

SRAM RED eTap AXS

Derailleur

SRAM RED eTAP AXS

Derailleur

SRAM XG 1290

Cassette

SRAM Red

Chain

SRAM Red

Crankset

SRAM DUB

Bottom bracket

Not

Pedals

Wheels & Tires

Vittoria Rubino Pro

TireTPI 100 TPITubeless ready

HollowGram 64 SL KNØT

Rim

Brakes

SRAM RED

Brake

SRAM Red eTap AXS

Brake

Cockpit

HollowGram KNØT SystemBar

Handlebar

HollowGram KNØT

Stem

Cannondale Tape

Bar tape

Seatpost & Saddle

HollowGram 60 KNØT

Seatpost

Prologo Dimension NACK NDR

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2021 Cannondale SystemSix Hi-MOD eTap?: Geometry is listed for 47, 51, 54, 56, 58, 60, and 62.
What are the reach and stack of the 2021 Cannondale SystemSix Hi-MOD eTap in size 56?: In size 56, reach is 392 mm and stack is 560 mm.
What is the head tube angle of the 2021 Cannondale SystemSix Hi-MOD eTap?: The head tube angle is 73 degrees in size 56.
What does the 2021 Cannondale SystemSix Hi-MOD Red eTap AXS ship with?: The stock build includes Cannondale Hi-MOD, BallisTec Hi-MOD, SRAM RED eTap AXS HRD, and Vittoria Rubino Pro.
Which years of the Cannondale SystemSix are on Quiver?: Quiver has the Cannondale SystemSix for 2021, 2020, and 2019.