Perfect for those longer rides when you're giving it your all, the 2021 Cannondale Synapse Tiagra bike offers great handling, stability and steering precision with a comfortable riding position.
Wheel Size
700c
Number of Gears
20 gear(s)
- SmartForm C2 alloy frame with full carbon fork delivers an exceptionally lightweight feel and high-performance quality
- SAVE Micro-Suspension in the frame and fork insulates you from the bumps and vibrations of the road to keep you focused on the ride and connected to the road
- Shimano Tiagra 2 x 10-speed derailleurs with an FSA Omega dual crank provide smooth and efficient shifting and excellent power transfer
- Promax Decoder R mechanical disc brakes offer clean and powerful braking in all conditions
- Internal cable routing provides easy maintenance while keeping riding area free of cable clutter
- NOTE: Specs and images are subject to change based on component availability
Imported.
This bike comes with Coast to Coast Support, which includes:
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- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 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)
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.
| Best Use | Road Cycling |
|---|---|
| Frame | SmartForm C2 alloy, flat mount disc |
| Fork | BallisTec Full Carbon, integrated crown race |
| Bike Suspension | No Suspension |
| Crankset | FSA Omega ME alloy, 50/34T |
| Bottom Bracket | FSA Cartridge, BB30 |
| Shifters | 2 x 10-speed |
| Front Derailleur | Shimano Tiagra, braze-on |
| Rear Derailleur | Shimano Tiagra GS |
| Rear Cogs | 11-34T, 10-speed |
| Number of Gears | 20 gear(s) |
| Brake Type | Mechanical Disc Brake |
| Brakes | Promax Decoder R cable-actuated disc, 160/160 mm |
| Brake Levers | Shimano Tiagra |
| Rims | RD 3.0, 28h |
| Front Hub | Formula CRX-512, 12 x 100 mm thru axle |
| Rear Hub | Formula DC-1422, quick-release |
| Wheel Size | 700c |
| Tires | Vittoria Zaffiro, 700c x 30 mm |
| Tire Width | 30 millimeters |
| Handlebar Shape | Drop Bar |
| Handlebar | C4, 6061 alloy, Compact |
| Stem | C4, 6061 alloy, 31.8 mm, 7 deg. |
| Seat Post | 54 CM: 25.4 x 350 mm |
| Saddle | Cannondale Stage Ergo |
| Pedals | Wellgo w/ Clip and Strap |
| Headset | 1-1/4 - 1-1/8 in. tapered steerer |
| Chain | KMC X10EL, 10-speed |
| Weight | 23 lbs. 1.6 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
Cannondale Bikes (184119, 184120, 184124)
| 44 CM | 48 CM | 51 CM | 54 CM | 56 CM | 58 CM | 61 CM | |
|---|---|---|---|---|---|---|---|
| Height Range | 5'0" - 5'4" | 5'2" - 5'6" | 5'5" - 5'9" | 5'7" - 5'11" | 5'10" - 6'1" | 6'0" - 6'4" | 6'3" - 6'8" |
| Reach | 36.5 | 37.1 | 37.6 | 38.3 | 38.9 | 39.4 | 40.3 |
| Stack | 51.0 | 53.0 | 55.0 | 57.0 | 58.9 | 60.9 | 63.9 |
| Effective Top Tube | 50.5 | 51.7 | 53.1 | 54.7 | 56.3 | 58.0 | 60.4 |
| Seat Tube Center-Top | 40.0 | 42.2 | 44.3 | 48.0 | 52.0 | 55.0 | 59.0 |
| Standover Height | 68.0 | 70.1 | 72.2 | 75.5 | 78.7 | 81.6 | 85.1 |
| Head Tube Length | 10.4 | 12.3 | 14.3 | 15.9 | 17.8 | 20.2 | 23.2 |
| Head Tube Angle (degrees) | 70.2 | 70.8 | 71.0 | 71.9 | 72.1 | 72.3 | 72.5 |
| Seat Tube Angle (degrees) | 74.7 | 74.6 | 74.3 | 73.9 | 73.5 | 73.0 | 72.5 |
| Bottom Bracket Height | 27.0 | 27.0 | 27.0 | 27.2 | 27.2 | 27.5 | 27.5 |
| Wheelbase | 99.2 | 99.9 | 101.0 | 100.4 | 101.4 | 102.5 | 104.1 |
| Chainstay | 41.3 | 41.3 | 41.3 | 41.3 | 41.3 | 41.3 | 41.3 |
| Fork Offset | 6.0 | 6.0 | 6.0 | 5.0 | 5.0 | 5.0 | 5.0 |
Sizing Notes
Measurements are stated in centimeters unless otherwise indicated.
How we measure bikes
- 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.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- 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.
- 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.
- 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.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- 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.