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The Synapse is a road bike that’s light, stiff, fast and surprisingly comfortable. Your rides will go longer. You'll barely notice.

Mechanic's Comments: Small cosmetic scratches on frame. Small cosmetic scratches on fork. Scratches on crank arms. Scratches on rear derailleur. Scratches on wheels. Reflectors, pedals and multi-tool included in small accessory box. Small parts included. Charger included.


Cannondale Synapse Carbon Disc

This bike is best suited for: Enjoying longer distance rides & granfondos
Best suited for riders: 5'10" - 6'0"
Condition: Excellent

» Excellent
Size CM

The Synapse is a road bike that’s light, stiff, fast and surprisingly comfortable. Your rides will go longer. You'll barely notice.

Size Guide
Bike Category Bike
Year 2018
Gender Unisex
Weight 18.0
Frame size 56cm
Frame Carbon
Fork Carbon
Wheel Diameter 700C
Front Wheel Mavic Askium Disc
Rear Wheel Mavic Askium Disc
Front Tire Schwalbe Lugano, 700x28c
Rear Tire Michelin Power, 700x28c
Groupset Shimano Ultegra Di2
Front Derailleur Shimano Ultegra Di2
Rear Derailleur Shimano Ultegra Di2
Cassette Shimano CS-HG800-11, 11-34T, 11-Speed
Crankset Type Double
Crankset Cannondale, FSA, 50/34T, 172.5 mm
Chain Shimano CN-HG701
Shift Levers Shimano Ultegra Di2
Brakeset Shimano Ultegra BR-R8070
Brake Levers Shimano Ultegra
Handlebars Canondale, 42cm
Stem Cannondale, 100 mm
Saddle Selle royal
Seatpost Cannondale
Front Axle Thru Axle
Rear Axle Thru Axle
Frame size: 56cm
Best suited for riders: 5'10" - 6'0"
Seat tube 520 mm
Effective Top Tube 561 mm
Head Tube Angle 73°
Seat Tube Angle 73.5°
Head Tube 173 mm
Reach 386 mm
Stack 590 mm
Wheelbase 995 mm
Standover Height 804 mm

Velofix Direct

Assembled and delivered, ready to ride.

Securely packaged

All bikes are shipped with handlebars, front wheel, and seat post removed, and are carefully wrapped to guarantee a secure shipment.

Shipping Only

for a flat rate of $99.99*

(Exceptions may apply, see the FAQ for additional information)

Ride it yourself

If you aren't completely satisfied, return it within 30 days!

  • Reduce Waste: Did you know that, on average, a bike is only used for 15% of its maximum lifespan before being replaced? Refurbishing bikes extends a bike’s life and helps do our part in reducing waste.
  • Quality assurance: Behind each refurbished bike we sell are countless years of experience in the cycling industry and a team of highly qualified technicians ensuring that each bike entering and leaving the workshop is in great condition to give its new owner the confidence to ride worry-free on their next adventure.
  • Documentation: Every photo, video or piece of information found on Cycling Avenue’s listing are those of the real bike you’ll receive at your doorstep.
  • Confidence in shipping: Every bike shipped is ready to hit the roads or trails. It has been adjusted, tuned, and meticulously secured in a sturdy package. It also will be shipped within 48 business hours of purchase so you can enjoy your bike in just a few days.
  • Satisfaction Guarantee: As cyclists themselves, they understand that buying a bike online can be an unusual experience. That's why they offer a 30-day full satisfaction guarantee on all refurbished bikes sold!

One of the best parts of buying a refurbished bike is dreaming up ways to make it your own. Maybe that’s a new stem to dial in the fit, or maybe a bigger investment like a custom wheelset. Contact us here for AVT recommendations for your bike, or check out AVT.works below to learn about our custom wheel program

  • AVT Works is our in house wheel building and service department offering a full range of custom wheel builds and hub servicing. Can't find the rim/hub combination you are looking for then request a custom wheel quote here.
  • Available with any of the hubs listed on our site including: Chris King, White Industries, ONYX, Industry Nine, and Paul Components.
  • Available with a wide variety of rims from HED, ENVE, Santa Cruz, Race Face, WTB, Velocity, Praxis, White Industries, Astral, HPLUS, Son, BOYD, and more with Wheelsmith or SAPIM CX Ray spokes.
  • Please allow 4-8 weeks to build and ship (depending on availability of parts)
  • If you are looking for a hub/rim combination not listed here please contact us.
  • *Custom made products including AVT Works wheelsets can be returned post purchase subject to a 20% re-stocking fee. More info can be found in our returns policy.
Refurbished and shipped by Cycling Avenue
In Stock & Ready To Ship In 3-5 Days