Thanks to advancements in carbon layup, Cannondale engineers have made the new Synapse 20% more compliant than its already butter-smooth predecessor, ensuring you feel 100% more comfortable even on the roughest roads.A great fit and feel makes for a great ride. And with our Proportional Response Construction, every rider gets that as standard. From the carbon layup through to the geometry, everything on Synapse has been tuned and tested by frame size. So that your bike works in harmony with you to give the best possible ride for you and your height.
Cannondale Synapse Carbon 4 105 DI2 Road Bike wireless brains meet all-road brawn. Synapse Carbon 4 runs Shimano 105 Di2 for a shifting experience that feels straight off the pro tour, minus the bank loan. The frame delivers that signature Synapse ride—quietly fast, endlessly composed—and plays nice with wide tires, fenders, and long days. Call it the sweet spot between Sunday speed and weekday practicality.
Cannondale Synapse Carbon 4 105 DI2 Road Bike is available in seven sizes and two colours Chalk or Metallic Red nad world renowned for its comfortable high-performance road riding, long distance missions, fast group rides. Designed to go fast, built to go long, and made to keep you comfortable, the Synapse redefines road performance. With a lightweight frame featuring wind-tunnel-sculpted tubing and PB-blasting stiffness-to-weight, it’s a bike that’s ready for anything you demand of it. Just ask Lachlan Morton why he trusted it for his record-smashing lap of Australia. Unreal speed, engineered for real-world roads.​
Cannondale Synapse Carbon 4 105 DI2 Road Bike all-new StashPort storage system in the downtube is there when you need it and hidden when you don’t. Paired with its StashBag buddy, you can bring along your ride essentials and know that they’ll be secure, whatever you get up to out there. Meanwhile, best-in-class tire clearance lets you take the idea of riding for longer to a whole new level.
Cannondale Synapse Carbon 4 105 DI2 Road Bike Technical Details
| 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 |
| 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 |
| Headset | Integrated, 1-1/8" - 1-1/2" |
| Front Derailleur | Shimano 105 Di2 7150, braze-on |
| Rear Derailleur | Shimano 105 Di2 7150 |
| Shifters | Shimano 105 Di2 R7170, wireless, 12-speed |
| Chain | Shimano 105 7100, 12-speed |
| Crank | Shimano 105 7100, BSA, 50/34 |
| Rear Cogs | Shimano 105 7100, 11-34, 12-speed |
| Brakes | Shimano 105 7170 hydraulic disc, 160/160mm RT70 rotors |
| Brake Levers | Shimano 105 Di2 7170 hydraulic disc |
| Hubs | (F) Shimano RS470, 12x100mm centerlock / (R) Shimano RS470, 12x142mm centerlock |
| Rims | DT Swiss R470 db, 28h |
| Spokes | Stainless Steel, 14g |
| Tires | Vittoria Rubino Pro IV, 700x32c |
| Handlebar | Vision Trimax Aero Alloy |
| Grips | Cannondale Bar Tape, 3.5mm |
| Stem | Cannondale C1 Conceal, Alloy, 31.8, -6° |
| Saddle | Fizik Vento Argo X5, 140mm |
| Seatpost | Cannondale C1 Aero 27 Carbon, SmartSense compatible, 0mm offset (44-48cm), 20mm offset (51-61cm) |
| Connectivity | Cannondale Wheel Sensor |
| Extras | Large StashBag downtube storage bag |
| Sizes | 44,48,51,54,56,58,61 |