$1,416.93Compared to $2,025.00* Save 30%
HURRY! This item is discontinued. Shop now for best selection.
Color: Candy Red
please select a Size
Quantity
Select size for delivery dates
Heads up! Bikes usually take 1-2 additional days to assemble but can take longer during busy periods. We'll email you when yours is ready.

Members get an estimated 10% back on this item as a part of your annual .

To buy,  sign in as an REI Co-op Member or join now.
Join the co-op today to get access to a lifetime of benefits.

Light, stiff, fast and built for endurance, the Cannondale Synapse 105 bike is so comfortable that you'll barely notice as your rides get longer.

Features

  • SmartForm C2 Alloy construction and full carbon fork deliver exceptionally light weight and a high-performance feel
  • Shimano 105 group and FSA Gossamer crank offer reliable shifting and power transfer
  • TRP Spyre-C mechanical disc brakes provide reliable stopping power for varied conditions
  • Pedals not included
  • NOTE: Specs and images are subject to change based on component availability

Imported.

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 Endurance Bikes

Technical Specs

Best Use

Road Cycling

Frame

SmartForm C2 Alloy

Fork

BallisTec Full Carbon, integrated crown race, SAVE, 12 x 100 mm thru axle, internal routing

Bike Suspension

No Suspension

Crankset

FSA Gossamer Alloy, BB30, 50/34t

Bottom Bracket

Cannondale BB30

Shifters

Shimano 105, 11-speed

Front Derailleur

Shimano 105, braze-on

Rear Derailleur

Shimano 105 GS

Rear Cogs

Shimano 105, 11-34t, 11-speed

Number of Gears

22 gear(s)

Brake Type

Mechanical Disc Brake

Brakes

TRP Spyre-C cable-actuated disc, 160/160mm rotors

Brake Levers

TRP Spyre-C

Rims

Cannondale RD 2.0 Disc, double wall with eyelets, 28h

Front Hub

Formula CRX-512, 12 x 100 thru axle

Rear Hub

Formula CX-22, quick-release axle

Wheel Size

700c

Tires

Vittoria Zaffiro, 700c x 30 mm

Tire Width

30 millimeters

Handlebar Shape

Drop Bar

Handlebar

Cannondale 3, 6061 alloy, compact

Stem

Cannondale 3, 6061 alloy, 31.8, 7 deg.

Seat Post

Cannondale 3, 6061 alloy, 25.4 x 300 mm (48-51), 350 mm (54-56), 400 mm (58-61)

Saddle

Cannondale Stage Ergo

Pedals

Not included

Headset

1-1/4 to 1-1/8 in. tapered

Chain

KMC X11, 11-speed

Weight

21 lbs. 13.2 oz.

Bike Weight

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

Gender

Unisex

Size Chart

Cannondale Bikes (184500)
48 CM51 CM54 CM56 CM58 CM61 CM
Reach37.137.638.338.939.440.3
Stack53555758.960.963.9
Effective Top Tube51.753.154.756.35860.4
Seat Tube Center-Top42.244.348525559
Standover Height70.172.275.578.781.685.1
Head Tube Length12.314.315.917.820.223.2
Head Tube Angle (degrees)70.87171.972.172.372.5
Seat Tube Angle (degrees)74.674.373.973.57372.5
Bottom Bracket Height272727.227.227.527.5
Wheelbase99.9101100.4101.4102.5104.1
Chainstay41.341.341.341.341.341.3
Fork Offset665555

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.

Reviews
18 reviews with an average rating of 4.3 out of 5 stars

Loading Reviews...

Questions & Answers

Loading Questions...