2021 Cannondale Synapse Disc 105

An aluminum frame endurance bike with upper mid-range components and mechanical disc brakes, priced near the low end of the Synapse model range.

2021 Cannondale Synapse Disc 105
MSRP$1,800
Weight22.0 lbs
FrameAluminum
ForkCarbon
Wheels700c
Drivetrain2 × 11
Groupset105, FSA

BrakesMechanical Disc
View on cannondale.com
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Gearing

2 × 11 — 22 speed

Synapse Disc 105

39 mph

Similar Bikes

39 mph

The Synapse Disc 105 is easier to ride up hills than similar bikes.

The Synapse Disc 105 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$200$400$600$800$1,000$1,200$1,400$1,600$1,800
This bike
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Reviews

January 2022

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

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

Read Full Review

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

August 2018

Road Bike Action
Bike Test: Cannondale Synapse 105

Cannondale's Synapse uses a mix of their SAVE frame design with a Shimano 105 drivetrain and hydraulic disc brakes to create a solid budget package.

Read Full Review

June 2018

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

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

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

Canadian Cycling Magazine
Cannondale Synapse Carbon Disc 105 review

Balanced comfort and performance

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

SmartForm C2 Alloy, SAVE, BB30, internal cable routing, flat mount, SAVE, BB30, Internal cable routing, Flat mount

BB StandardBB30, press-fit

Fork

Full Carbon, SAVE, internal routing, 1-1/8" - 1 1/4" tapered steerer, flat mount, 55mm rake, 12x100 thru axle

Bottom Bracket

Cannondale BB30

Headset

FSA Sealed Bearing, Integrated, 1-1/4"-1-1/8"

Stem

Cannondale 3, 6061 alloy, 31.8, 7°

Handlebar

Cannondale 3, 6061 alloy, Compact

Saddle

Cannondale Stage Ergo

Seatpost

Cannondale 3, 6061 alloy, 25.4 x 350mm (44-56), 400mm (58-63)

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

Shimano 105 GS

Front Derailleur

Shimano 105, braze-on

Crank

FSA Gossamer alloy, BB30, 50/34

Shifters

Shimano 105, 2x11

Cassette

Shimano 105, 11-34, 11-speed

Chain

KMC X11, 11-speed

Brakes

TRP Spyre-C cable actuated disc, 160/160mm rotors

Brake Levers

Shimano 105

Wheels
Rims

RD 2.0, 28h

Spokes

Stainless steel, 14g

Front Hub

Formula CRX-512, 12x100

Rear Hub

Formula CX-22, QR

Tires

Vittoria Zaffiro, 700 x 30c

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