Monday | 9.00am - 5.30pm |
Tuesday | 9.00am - 5.30pm |
Wednesday | 9.00am - 5.30pm |
Thursday | 9.00am - 5.30pm |
Friday | 9.00am - 5.30pm |
Saturday | 9.00am - 5.30pm |
Sunday | 10.00am - 4.00pm |
Bank Holidays | 10.00am - 4.00pm |

Cannondale Synapse Carbon 4 Endurance Disc Road Bike in Cashmere

The all-new 2022 Cannondale Synapse Carbon 4 is here with a comfortably balanced riding position, confidence-inspiring handling and room for 35mm wide tyres for cushion and grip, and plenty of gear/bottle mounts, Synapse is ready to rock on any road, anywhere.
Roll smooth, roll fast, roll confident. Wherever the road takes you, roll with new Synapse Carbon – Cannondale's most comfortable, all-around, up-for-anything, pure road machine.
With Synapse, comfort is built in. Discreet flex zones in the rear triangle, seat tube and seatpost absorb road chatter and bumps without adding weight or isolating you from the ride experience.
Key Features:
- Lightweight Synapse Carbon frameset / SmartSense ready
- Threaded BSA bottom bracket
- Hidden rack and mudguard mounts
- Shimano Tiagra 10-speed group with hydraulic disc brakes
- Integrated Cannondale App connectivity
- Vittoria Zaffiro Pro Reflective, 700 x 30c
Lightweight carbon construction. Subtle aerodynamic shaping of the frame and fork. Size-specific design for perfectly tuned stiffness. It all adds up to a machine that loves to fly.
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 £20 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.
Find Out More About Returns >

Connectivity
- Wheel SensorCannondale Wheel Sensor
Drivetrain
- Bottom BracketShimano BSA
- ChainShimano HG54, 10-speed
- CrankShimano Tiagra, BSA, 50/34
- Front DerailleurShimano Tiagra, braze-on
- Rear CogsShimano Tiagra, 11-34, 10-speed
- Rear DerailleurShimano Tiagra GS
- ShiftersShimano Tiagra hydraulic disc, 10-speed
Frameset
- ForkSynapse Carbon, integrated crown race, Proportional Response size-specific design, 12x100mm thru-axle, thru-tube internal routing, hidden fender mounts
- FrameSynapse Carbon, SmartSense enabled, Proportional Response size-specific design, BSA threaded BB, flat mount brake, 12x142mm thru-axle, thru-tube internal cable routing with Switch Plate, removable fender bridge, hidden rack/fender mounts
- HeadsetSynapse Sealed Bearing, integrated, 1-1/4"-1-1/8"
Wheels
- Front TireVittoria Zaffiro Pro Reflective, 700 x 30c
- Hubs(F) Formula CL-712, 12x100mm centerlock / (R) Formula RXC-400, 12x142mm centerlock
- Rear TireVittoria Zaffiro Pro Reflective, 700 x 30c
- RimsRD 3.1, 28h, 21mm IW
- SpokesStainless Steel, 14g
- Tire Size30
- TiresVittoria Zaffiro Pro Reflective, 700 x 30c
- Wheel Size700c
Brakes
- Brake LeversShimano Tiagra hydraulic
- BrakesShimano Tiagra hydraulic disc, 160/160mm RT64 rotors
Components
- GripsFabric Knurl Bar Tape
- HandlebarCannondale 3, 6061 Alloy, Compact
- SaddleFizik Aliante Delta, S-alloy rails
- SeatpostCannondale 3, 6061 Alloy, 27.2 x 350mm (48-56), 400mm (58-61)
- StemCannondale 3, 6061 Alloy, 31.8, 7°
Extras
- Extra 1Trainer Compatible Thru-Axle
Please note that, based on component availability and other factors, specifications are subject to change without notice.