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2025 Cannondale Synapse Carbon 4 105 Di2 Road Bike in Chalk

From:  £3,995.00
Road re-imagined The 2025 Cannondale Synapse Carbon 4 105 Di2 Road Bike in Chalk is now more comfortable, aerodynamic and sleekly integrated than ever, the new Synapse is more compliant, smoother riding and better equippe...Learn more
Size: 61cm
Product Code: CANC12075U2061
In stock online, dispatches from 6 days (order before 2pm)
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Map Marker icon 106-108 The Hornet, Chichester, England, United Kingdom
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Clock Opening Times Icon
Monday9.00am - 5.30pm
Tuesday9.00am - 5.30pm
Wednesday9.00am - 5.30pm
Thursday9.00am - 5.30pm
Friday9.00am - 5.30pm
Saturday9.00am - 5.30pm
Sunday10.00am - 4.00pm
Bank Holidays10.00am - 5.00pm
Map Marker icon 150 Commercial Road, Totton, Southampton, England, United Kingdom
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Clock Opening Times Icon
Monday9am - 5.30pm
Tuesday9am - 5.30pm
Wednesday9am - 5.30pm
Thursday9am - 5.30pm
Friday9am - 5.30pm
Saturday9am - 5.30pm
Sunday10am - 4.00pm
Bank Holidays10am - 4.00pm
Map Marker icon Auckland House, Walton-on-Thames, England, United Kingdom
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Clock Opening Times Icon
Monday8am - 6.00pm
Tuesday8am - 6.00pm
Wednesday8am - 6.00pm
Thursday8am - 6.00pm
Friday8am - 6.00pm
Saturday9am - 5.30pm
Sunday10am - 4.00pm
Bank Holidays10am - 5.00pm
£3,995.00 + Add to cart

Road re-imagined

The 2025 Cannondale Synapse Carbon 4 105 Di2 Road Bike in Chalk is now more comfortable, aerodynamic and sleekly integrated than ever, the new Synapse is more compliant, smoother riding and better equipped to take on any epic.

Where it thrives

Dropping mates on the group ride, crushing an endurance race, exploring the globe.

What it's built for

Bringing WorldTour performance to real roads, smoothing rough surfaces, going long and hard.

  • Lightweight, smoothly compliant, sleekly aero Synapse carbon frameset with StashPort downtube storage
  • Shimano 105 Di2 – impressively smooth shifting from Shimano's journeyman electronic 2 x12-speed drivetrain
  • DT Swiss 470 rims with Vittoria Rubino Pro IV 32c tyres – grip, durability and speed
  • Cannondale C1 Aero 27 Carbon seatpost – speed meets comfort
  • Fizik Vento Argo R5 saddle – ergonomic comfort with a pressure relieving cutout

All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £25 delivery fee.

Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.

Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.

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2025 Cannondale Synapse Carbon 4 105 Di2 Road Bike in Chalk
bottom bracket
Shimano BSA 68
brakes
Shimano 105 7170 hydraulic disc, 160/160mm RT70 rotors
brake levers
Shimano 105 Di2 7170 hydraulic disc
cassette
Shimano 105 7100, 11-34, 12-speed
chain
Shimano 105 7100, 12-speed
crankset
Shimano 105 7100, BSA, 50/34
fork
Synapse Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc, internal routing, 1-1/8" to 1-1/5" Delta steerer, 55mm offset, fender mounts
frame
Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seat binder, SmartSense Gen 2.0 compatible, fender mounts
grips
Cannondale Bar Tape, 3.5mm
handlebars
Vision Trimax Aero Alloy
headset
Integrated, 1-1/8" - 1-1/2"
hubs
(F) Shimano RS470, 12x100mm centerlock / (R) Shimano RS470, 12x142mm centerlock
material
Carbon
rear derailleur
Shimano 105 Di2 7150
rims
DT Swiss R470 db, 28h
rotor
Shimano 105 7170 hydraulic disc, 160/160mm RT70 rotors
seatpost
Cannondale C1 Aero 27 Carbon, SmartSense compatible, 330mm length, 0mm offset (44-48cm), 15mm offset (51-61cm)
shifters
Shimano 105 Di2 R7170, wireless, 12-speed
tyres
Vittoria Rubino Pro IV, 700x32c
wheelset
DT Swiss R470 db, 28h