Which size or configuration labels have geometry for the 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap?

Geometry is listed for 44, 48, 51, and 54.

What are the reach and stack of the 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap in size 51?

In size 51, reach is 377 mm and stack is 550 mm.

What is the head tube angle of the 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap?

The head tube angle is 71.7 degrees in size 51.

What does the 2018 Cannondale Synapse Hi-MOD Disc Women’s RED eTap ship with?

The stock build includes Cannondale Synapse, Synapse, SRAM RED ETAP HRD, and Cannondale HollowGram Si.

Which years of the Cannondale Synapse are on Quiver?

Quiver has the Cannondale Synapse for 2018, 2025, 2021, 2020, 2019, 2016, and 2015.

2018

2018 Cannondale Synapse Hi-MOD Disc Women’s eTap

Road

The 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap sits in the middle of the range for road bikes, with a slacker head angle and a shorter rear center. Reach 365 to 382 mm, stack 510 to 570 mm. The Synapse Hi-MOD Disc Women’s RED eTap build comes with SRAM RED E-TAP shifting and Cannondale HollowGram Si wheels.

Compare with 1,900+ road bikes

Source: cannondale.com. Checked Oct 24, 2026.

Key facts

Brand: Cannondale
Model: Synapse
Model year: 2018
Frame: Hi-MOD Disc Women’s eTap
Type: Road
Geometry labels: 44, 48, 51, and 54
Drivetrain: SRAM RED E-TAP
Fork: Synapse
Wheels: Cannondale HollowGram Si
Geometry: Complete for every size
Checked: Oct 24, 2026

Geometry by size

Geometry drawing, size 48, to scale.

2018 Cannondale Synapse Hi-MOD Disc Women’s eTap geometry by size
Measurement	44	48	51	54
Reach(mm)	365	371	377	382
Stack(mm)	510	530	550	570
Head tube angle(°)	70.2	70.8	71.7	71.7
Seat tube angle(°)	74.7	74.6	74.3	73.9
Effective top tube(mm)	505	517	531	547
Chainstay length(mm)	410	410	410	410
Wheelbase(mm)	989	996	994	1008
BB drop(mm)	75	75	75	73
BB height(mm)	270	270	270	272
Standover(mm)	680	712	742	773
Seat tube length(mm)	370	407	443	480
Head tube length(mm)	103	122	137	161

How to read a geometry chart

Stock build

16 parts

Frame

Cannondale Synapse

Frame

Suspension

Synapse

Fork

Drivetrain

SRAM RED ETAP HRD

Shifter

SRAM RED E-TAP

Derailleur

SRAM RED eTap WiFli

Derailleur

SRAM PG-1170

Cassette

SRAM PC-1170

Chain

SRAM RED

Crankset

Wheels & Tires

Cannondale HollowGram Si

Wheelset

Brakes

SRAM RED eTap hydro

Brake

SRAM RED eTap HRD

Brake

Cockpit

Cannondale Escape

Handlebar

Cannondale SAVE

Stem

Synapse Si

Headset

Seatpost & Saddle

Cannondale SAVE

SeatpostLength 350mm

fizik Arione Donna

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap?: Geometry is listed for 44, 48, 51, and 54.
What are the reach and stack of the 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap in size 51?: In size 51, reach is 377 mm and stack is 550 mm.
What is the head tube angle of the 2018 Cannondale Synapse Hi-MOD Disc Women’s eTap?: The head tube angle is 71.7 degrees in size 51.
What does the 2018 Cannondale Synapse Hi-MOD Disc Women’s RED eTap ship with?: The stock build includes Cannondale Synapse, Synapse, SRAM RED ETAP HRD, and Cannondale HollowGram Si.
Which years of the Cannondale Synapse are on Quiver?: Quiver has the Cannondale Synapse for 2018, 2025, 2021, 2020, 2019, 2016, and 2015.