2021 Cannondale

Synapse Carbon Hi-MOD Red eTap AXS

A carbon frame endurance bike with ultra high-end components and hydraulic disc brakes.

MSRP$10,000
Weight16.8 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetRED AXS
BrakesHydraulic Disc
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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)

40 mph

Synapse Carbon Hi-MOD Red eTap AXS

39 mph

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Highest gear

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Spec Level

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

Reviews
Road Bike Action
CANNONDALE SYNAPSE CARBON RLE BIKE TEST - Road Bike Action

Dec 2022 · RBA Staff

Radar comes standard

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BikeRadar
Cannondale Synapse Carbon 2 RL review

Jan 2022 · Warren Rossiter

The new Synapse is a refined endurance bike that’s easy to live with and brings safety-enhancing tech as standard

Highs
  • Supple smoothness wrapped around swift, exciting handling

  • Clever tech brings day and night safety

Lows
  • Not everyone will want all of the equipment

  • Alloy components and middleweight wheels feel like a downgrade

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Gran Fondo Magazine
First ride review: 2022 Cannondale Synapse – Safer on the road thanks to Cannondale SmartSense?

Jan 2022 · By

Cannondale have overhauled the Synapse, adding an integrated radar and lights. Can it offer improved safety on the road? Read on to find out.

Highs
  • Added safety for cyclists

  • The lights switch from daytime to night mode automatically

  • Mounting points for mudguards etc.

  • Predictable handling

Lows
  • Lack of cable integration up front

  • Somewhat lacking in long-distance comfort

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Cyclist
Cannondale Synapse Carbon Ultegra review

Mar 2020 · Joe Robinson

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

Highs
  • Comfortable

  • Suitable for mixed terrain

  • 'Affordable'

Lows
  • Doesn’t come with tubeless tyres

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Cycling Weekly
Cannondale Synapse Hi-Mod Disc Red eTap review

May 2019 · James Bracey

Cannondale’s endurance machine packs in more than just a comfortable ride

Highs
  • Handling

  • Specification

Lows
  • Limited height adjustability of stem

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road.cc
Cannondale Synapse Hi-Mod Disc Dura-Ace Di2

Jun 2018 · David Arthur @davearthur

Fast, smooth and fun, the new Synapse is an exceedingly good endurance bike

Read Review

Velo
Pro Bike Gallery: Sebastian Langeveld’s Cannondale Synapse

Apr 2018 · VeloNews.com

EF Education First-Drapac rider Sebastian Langeveld will ride disc brakes at Roubaix after making the podium in 2017.

Read Review

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

Mar 2018

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!

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
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 StandardPF30, 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

SRAM RED DUB PF30

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 Pro, carbon rails

Seatpost

SAVE Carbon, 25.4 x 350mm

TypeRigid

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

SRAM RED eTap AXS

Front Derailleur

SRAM RED eTap AXS, braze-on

Crank

SRAM RED Carbon, 46/33

Shifters

SRAM RED eTap AXS HRD, 2x12

Cassette

SRAM XG-1290, 10-33, 12-speed

Chain

SRAM RED, 12-speed

Brakes

SRAM RED eTap AXS HRD, 160/160mm Centerlock rotors

TypeHydraulic Disc

Brake Levers

SRAM RED eTap AXS HRD

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, SRAM XDR driver

Tires

Vittoria Corsa, 700 x 28c

Rider Notes
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Last updated October 31
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