2021 Cannondale Synapse Carbon Hi-MOD Disc Ultegra Di2

A carbon frame endurance bike with ultra high-end components and hydraulic disc brakes, priced near the middle of the Synapse model range.

View on cannondale.com

2021 Cannondale Synapse Carbon Hi-MOD Disc Ultegra Di2
MSRP$7,000
Weight17.0 lbs
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 11 Electronic
GroupsetGRX Di2, Ultegra Di2
BrakesHydraulic Disc
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Gearing

2 × 11 — 22 speed

Synapse Carbon Hi-MOD Disc Ultegra Di2

39 mph

Similar Bikes

39 mph

The Synapse Carbon Hi-MOD Disc Ultegra Di2 is easier to ride up hills than similar bikes.

The Synapse Carbon Hi-MOD Disc Ultegra Di2 is geared about the same as similar bikes for riding downhill.


Estimated Spec Level

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

Spec level →$0$1,000$2,000$3,000$4,000$5,000$6,000$7,000
This bike
Other endurance bikes

Reviews

January 2021

BikeRadar
Cannondale Synapse Disc Ultegra long-term review

This is an initial score and could change as I spend more time on the bike

Read Full Review

November 2020

Cycling Weekly
Cannondale Synapse Carbon 105

The Cannondale Synapse Carbon 105 is a popular endurance bike that still has a spring in its step

Read Full Review

March 2020

Cyclist
Cannondale Synapse Carbon Ultegra review

The Cannondale Synapse is a bike for all occasions in this modern world of mixed-terrain riding

Read Full Review

February 2019

Road Bike Action
Bike Test: Cannondale Synapse Hi-Mod With Campagnolo 12-Speed

Combining an American chassis with Italian parts

Read Full Review

September 2018

road.cc
Cannondale Synapse Disc Sora

A quick and versatile bike based around a great frameset, though the brakes aren't the best

Read Full Review

April 2018

Canadian Cycling Magazine
EF Education First-Drapac's Cannondale Synapse Disc for Paris-Roubaix

American team chooses disc brakes and Cannondale's endurance frame for a day in hell

Read Full Review

March 2018

Bikerumor
Review: Cannondale Synapse Carbon Disc road bike is the perfect all 'rounder

The 2018 Cannondale Synapse Carbon Disc proves you can have speed and comfort in the same bike. With race worthy handling and power transfer, the SAVE seatstays, chainstays and fork add bump-eating compliance for a bike that can go long and fast. Read our full review with actual weights right here!

Read Full Review

March 2018

Bicycling
Cannondale Synapse Disc 105 SE Review

This alloy-frame endurance bike is great for all-day adventures and fast group rides

Read Full Review


Geometry

Specs
Build
Frame

BallisTec Hi-MOD Carbon, Di2 ready, SAVE, BB30a, flat mount, 12mm thru axle, internal cable routing, removable fender bridge, Di2 ready, SAVE, BB30a, Flat mount, 12mm thru axle, Internal cable routing, Removable fender bridge

BB StandardBB30, press-fit

Fork

BallisTec Hi-MOD Carbon, SAVE, integrated crown race, 12x100mm thru-axle, internal routing, size-specific design - 44-48: 1 1/8" steerer, 60mm rake 51-54: 1-1/8" - 1-1/4" tapered steerer, 55mm rake 56-61: 1-1/8" - 1-3/8" tapered steerer, 45mm rake

Bottom Bracket

Cannondale BB30

Headset

Synapse Si, 25mm Carbon top cap

Stem

All-New HollowGram SAVE, alloy, -6°

Handlebar

HollowGram SystemBar SAVE, Carbon, 8 deg. pitch adjust

Saddle

Fabric Scoop Shallow Race, titanium rails

Seatpost

Cannondale 2, UD Carbon, 25.4 x 350mm

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

Shimano Ultegra Di2 RX

Front Derailleur

Shimano Ultegra Di2, braze-on

Crank

HollowGram, BB30a w/ OPI SpideRing, 50/34

Shifters

Shimano Ultegra Di2 hydro disc, 2x11

Cassette

Shimano Ultegra, 11-34, 11-speed

Chain

Shimano HG701, 11-speed

Brakes

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

Brake Levers

Shimano Ultegra Di2 hydro disc

Wheels
Rims

HollowGram 45 SL KNØT, Carbon, 20h front, 24h rear, 45mm deep, 21mm ID, tubeless ready

Spokes

DT Swiss Aerolite

Front Hub

HollowGram KNØT, sealed bearing 12x100 centerlock

Rear Hub

HollowGram KNØT, 12x142 centerlock w/ DT Swiss internals

Tires

Vittoria Corsa, 700 x 28c

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2021 Cannondale Synapse Carbon Hi-MOD Disc Ultegra Di2
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