Cannondale  Synapse Carbon Disc 105 Bike - 2018

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Offering comfort for long days in the saddle and confident handling on all road surfaces, the Cannondale Synapse Carbon Disc 105 bike is light, smooth, fast and elegantly designed.

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Features

  • Carbon frame with Endurance Race geometry provides stable, confident handling and creates a more upright riding position for all-day comfort
  • 2 different fork rake sizes (60mm for smaller sizes and 50mm for larger sizes) deliver consistent handling across all frame sizes and offer reduced toe overlap on small sizes
  • SAVE Plus micro-suspension flex zones in the rear triangle and fork keep you comfortable and in control
  • Clearance for tires up to 32mm wide and subtle rack/fender mounts ready it for back-road exploring, group rides, commutes and anything in between; rack/fenders not included
  • NOTE: Specs and images are subject to change based on component availability
This bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 20% off shop services
  • Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
More about our free adjustments:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

View the Cannondale Synapse Product LineView all Cannondale

Technical Specs

Best Use

Road Cycling

Frame

BallisTec carbon

Fork

BallisTec carbon

Bike Suspension

No Suspension

Crankset

Cannondale Si, BB30a, FSA rings, 50/34

Bottom Bracket

FSA BB30 bearings

Shifters

Shimano RS505

Front Derailleur

Shimano 105, braze-on

Rear Derailleur

Shimano 105 GS

Rear Cogs

Shimano 105, 11-32T, 11-speed

Number of Gears

22 gear(s)

Brake Type

Hydraulic Disc Brake

Brakes

Shimano RS505 hydraulic disc, flat mount, 160/160mm rotors

Brake Levers

Shimano RS505

Rims

RD 2.0 disc, 28h

Front Hub

Formula CX20 100x12mm

Rear Hub

CX 22 142x12mm

Wheel Size

700c

Tires

Schwalbe Lugano, folding

Tire Width

28 millimeters

Handlebar Shape

Drop Bar

Handlebar

Cannondale C3, butted 6061 alloy, compact

Stem

Cannondale C3, 6061 Alloy, 31.8, 6 deg.

Seat Post

Cannondale C3, 6061 alloy; 48-56cm: 25.4x350mm; 58-61cm: 25.4x400mm

Saddle

Selle Royal Seta S1

Pedals

Sold separately

Headset

Synapse Si, 25mm carbon spacer

Chain

Shimano HG601, 11-speed

Weight

20 pounds

Bike Weight

Bike weight is based on median size, as sold, or the average of two median sizes.

Gender

Unisex

Size Chart

Cannondale Bikes (124784, 124785)
51 CM54 CM56 CM58 CM61 CM
Height Range5'3" - 5'6"5'6" - 5'9"5'9" - 6'0"6'0" - 6'3"6'3" - 6'6"
Reach37.738.238.639.340.2
Stack55.057.059.061.064.0
Effective Top Tube53.154.756.157.960.4
Seat Tube Center-Top44.348.052.055.059.0
Standover Height74.277.380.483.386.8
Head Tube Length137.16.117.319.722.9
Head Tube Angle (degrees)71.7°71.7°73.0°73.0°73.0°
Seat Tube Angle (degrees)74.3°73.9°73.5°73.0°72.5°
Bottom Bracket Height27.027.227.227.527.5
Wheelbase99.4100.899.5100.9102.8
Chainstay41.041.041.041.041.0
Fork Offset5.55.54.54.54.5

Sizing Notes

Measurements are stated in centimeters unless otherwise indicated.

How we measure bikes

  1. Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
  2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
  3. Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
  4. Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
  5. Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
  6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
  7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
  8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
  9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
  10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
  11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
  12. Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.

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