2021 Cannondale Synapse Carbon Disc 105

A carbon frame endurance bike with upper mid-range components and hydraulic disc brakes, priced near the middle of the Synapse model range. Compare the full range

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2021 Cannondale Synapse Carbon Disc 105
MSRP$2,600
Weight20.1 lbs
FrameCarbon
ForkCarbon
Wheels700c
Drivetrain2 × 11
Groupset105, FSA
BrakesHydraulic Disc
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Gearing

2 × 11 — 22 speed

Synapse Carbon Disc 105

39 mph

Similar Bikes

39 mph

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

The Synapse Carbon 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$500$1,000$1,500$2,000$2,500
This bike
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Specs
Build
Frame

BallisTec 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 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 Alloy PressFit30

Headset

Synapse, 1-1/4" lower bearing, 25mm top cap

Stem

Cannondale 3, 6061 alloy, 7-degree

Handlebar

Cannondale 3, 6061 alloy, Compact

Saddle

Fabric Scoop Shallow Sport, steel rails

Seatpost

Cannondale 3, 6061 Alloy, 25.4 x 350mm (46-56), 400mm (58-61)

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

Shimano 105 GS

Front Derailleur

Shimano 105, braze-on

Crank

Cannondale 1, BB30a, FSA rings, 50/34

Shifters

Shimano 105 hydro disc, 2x11

Cassette

Shimano 105, 11-34, 11-speed

Chain

Shimano HG601, 11-speed

Brakes

Shimano 105 hydro disc, 160/160mm RT30 rotors

Brake Levers

Shimano 105 hydro disc

Wheels
Rims

RD 2.0, 28h

Spokes

Stainless steel, 14g

Front Hub

Formula CL-712, 12x100mm centerlock

Rear Hub

Formula RXC-400, 12x142 centerlock

Tires

Vittoria Zaffiro Pro Bright Black, 700 x 30c

2021 Cannondale Synapse Carbon Disc 105
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