Roll fast and smooth with confidence on the Cannondale Synapse AL 1 bike. Wherever the pavement takes you, the Synapse AL 1 keeps you in a comfortable riding position so you can focus on the fun.
- Alloy frame tubes are shaped and butted with absolute precision to help absorb road chatter and bumps without adding weight or isolating you from the ride experience
- DT Swiss Rims with Vittoria Zaffrio Pro 700c x 30 mm tires
- Lightweight alloy handlebar; Fizik saddle
- Clearance for up to 32 mm tires—with 6 mm room on each side—let you venture beyond the pavement with comfort and grip, or fit full fenders (not included) for the wet season
- Everything you need for a bump-absorbing ride is engineered into the frame's tube shapes and alloy construction—giving you a light, smooth and sleek ride
- Mounts and eyelets galore mean you can gear up for whatever the day, week or month has in store
- SmartSense-compatible Synapse Alloy frame means it's easy to upgrade to the Cannondale system of intelligent running lights and rear-facing radar (not included)
- Comes with easy-to-install end caps, making it quick and simple to mount the bike on a trainer
- Integrated wheel sensor delivers accurate speed, route and distance info; it also registers your bike and reminds you of needed service through the free Cannondale app
- 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 | Lightweight SmartForm C2 Alloy, SmartSense compatible, BSA-threaded BB, internal cable routing, flat mount, 142 x 12 thru axle, removable fender bridge, hidden rack/fender mounts |
| Bike Suspension | No Suspension |
| Fork | Synapse Carbon, integrated crown race, 12 x 100 mm thru axle, internal routing, flat mount brake, fender mounts |
| Crankset | Shimano RS520, 50/34T |
| Bottom Bracket | Shimano BB-RS500, BSA |
| Shifters | Shimano 105 7100, 12-speed |
| Front Derailleur | Shimano 105 7100, braze-on |
| Rear Derailleur | Shimano 105 7100, 12-speed |
| Rear Cogs | Shimano 105 7100, 12-speed, 11-34T |
| Number of Gears | 24 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Shimano 105 hydraulic disc, 160/160 mm RT70 rotors |
| Brake Levers | Shimano 105 |
| Rims | DT Swiss R470 DB, 28h, tubeless ready |
| Front Hub | Formula CL-712, 12 x 100 mm Center Lock |
| Rear Hub | Formula RXC-400, 12 x 142 mm Center Lock |
| Wheel Size | 700c |
| Tires | Vittoria Zaffiro Pro Bright Black, 700c x 30 mm, reflective |
| Tire Width | 30 millimeters |
| Handlebar Shape | Drop Bar |
| Handlebar | Cannondale 3, 6061 Alloy, Compact |
| Stem | Cannondale 3, 6061 Alloy, 31.8 mm, 7 deg. |
| Seat Post | Cannondale 3, 6061 Alloy, 27.2 x 350 mm |
| Saddle | Fizik Aliante Delta, S-alloy rails |
| Pedals | Wellgo with clip and strap |
| Headset | 1-1/8 in. to 1-1/4 in. |
| Chain | Shimano 105 7100, 12-speed |
| Weight | 21 lbs. 15.4 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| 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'' | 5'9'' - 6'1'' | 6'0'' - 6'4'' | 6'3'' - 6'8'' |
| Reach | 36.5 | 37.1 | 37.6 | 38.1 | 38.7 | 39.3 | 40.2 |
| Stack | 51 | 53 | 55 | 57 | 59 | 61 | 64 |
| Effective Top Tube | 52.1 | 53.3 | 54.4 | 55.5 | 56.7 | 58 | 59.8 |
| Seat Tube Center-Top | 40 | 4202 | 44.3 | 48 | 52 | 55 | 59 |
| Standover Height | 68.1 | 70.2 | 72.3 | 75.3 | 78.4 | 81 | 84.5 |
| Head Tube Length | 9.6 | 11.5 | 14 | 16 | 18.1 | 20.5 | 23.6 |
| Head Tube Angle (degrees) | 70.2 | 70.8 | 71 | 71.9 | 72 | 72 | 72 |
| Seat Tube Angle (degrees) | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Bottom Bracket Height | 26.3 | 26.3 | 26.8 | 27 | 27 | 27.3 | 27.3 |
| Wheelbase | 98.5 | 99.3 | 100.6 | 101 | 102.1 | 103.5 | 105.4 |
| Chainstay | 41.5 | 41.5 | 41.5 | 41.5 | 41.5 | 41.5 | 41.5 |
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.