If back roads and rugged byways are your cup of tea, Cannondale Synapse AL 105 SE is the bike for you. Outfitted with bigger tires and lower gearing than before, it's ready for adventure.
- Synapse SmartForm C2 alloy frame is built for great handling, stability and steering precision in a more comfortable, upright position than race-oriented road frames
- Rear part of the frame and the carbon-bladed fork feature the Cannondale Synapse Active Vibration Elimination (SAVE) technology for damping road vibrations
- FSA BB30 bottom bracket enhances stiffness for efficient power transfer
- Shimano 105 levers and derailleurs supply precise, dependable shifts throughout the 22 gears
- TRP Spire disc brakes offer powerful braking with nuanced control for excellent performance in any condition
- Cannondale Si crankset with FSA rings and a wide-ranging 11-32 tooth cassette deliver a wide spread of gearing options for easy spinning no matter the gradient
- WTB STP wheels are wrapped with WTB Exposure tires for low rolling resistance and grippy handling
- Pedals are sold separately
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 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 |
Fork | Synapse SAVE Disc Asymmetric, Carbon blades, 1-1/8" - 1-1/4" tapered steerer, flat mount |
Bike Suspension | No Suspension |
Crankset | Cannondale Si with FSA rings 48/32t |
Bottom Bracket | FSA BB30 |
Shifters | Shimano 105 |
Front Derailleur | Shimano 105, braze-on |
Rear Derailleur | Shimano 105 GS |
Rear Cogs | Shimano 105, 11-32, 11-speed |
Number of Gears | 22 gear(s) |
Brake Type | Mechanical Disc Brake |
Brakes | TRP Spyre C cable disc, 160/160mm rotors |
Brake Levers | Shimano 105 |
Rims | WTB STP i19 TCS 28h |
Front Hub | Formula CX-20 |
Rear Hub | CX-22 |
Wheel Size | 700c |
Tires | WTB Exposure, 700x30c, tubeless, gumwall |
Tire Width | 30 millimeters |
Handlebar Shape | Drop Bar |
Handlebar | Cannondale C3 Compact, butted 6061 Alloy |
Stem | Cannondale C3, 6061 Alloy, 31.8, 6 deg. |
Seat Post | Cannondale C3, 6061 Alloy, 25.4x350mm (48-56), 400mm (58-61) |
Saddle | Fabric Scoop Radius Sport |
Pedals | Sold separately |
Headset | FSA Integrated, 1-1/4" lower bearing, 25mm top cap |
Chain | KMC X11EL, 11-speed |
Weight | 21 lbs. 1.6 oz. |
Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
Gender | Unisex |
51 CM | 54 CM | 56 CM | 58 CM | 61 CM | |
---|---|---|---|---|---|
Height Range | 5'3" - 5'6" | 5'6" - 5'9" | 5'9" - 6'0" | 6'0" - 6'3" | 6'3" - 6'6" |
Reach | 37.6 | 38.3 | 38.9 | 39.4 | 40.3 |
Stack | 55.0 | 57.0 | 58.9 | 60.9 | 63.9 |
Effective Top Tube | 53.1 | 54.7 | 56.3 | 58.0 | 60.4 |
Seat Tube Center-Top | 44.3 | 48.0 | 52.0 | 55.0 | 59.0 |
Standover Height | 72.2 | 75.5 | 78.7 | 81.6 | 85.1 |
Head Tube Length | 14.3 | 15.9 | 17.8 | 20.2 | 23.2 |
Head Tube Angle (degrees) | 71.0° | 71.9° | 72.1° | 72.3° | 72.5° |
Seat Tube Angle (degrees) | 74.3° | 73.9° | 73.5° | 73.0° | 72.5° |
Bottom Bracket Height | 27.0 | 27.2 | 27.2 | 27.5 | 27.5 |
Wheelbase | 101.0 | 100.4 | 101.4 | 102.5 | 104.1 |
Chainstay | 41.3 | 41.3 | 41.3 | 41.3 | 41.3 |
Fork Offset | 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.