7.6–32.5 mph at 90 rpm, estimated from the published rear tire size 700×28c · 28-622 ETRTO.
Velopedia Bicycle Archive
2018 Cannondale Synapse Carbon Disc Women’s Ultegra Di2
Original specifications: 700c wheels · geometry for 4 published sizes.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 2018
- Category
- Road
- Sizes
- 44, 48, 51, 54
- Colors
- Galaxy w/ Fine Silver and Coral - Satin (GXY)
- Geometry
- 4 manufacturer sizes
- In this record
- 23 specifications · archived image · geometry
- Archive ID
- 900002522
Original buildCarbon · 700c
Frameset
| Frame Construction | NEW Synapse Disc Women’s, BallisTec Carbon, Di2 ready, SAVE PLUS, BB30a |
|---|---|
| Frame Material | Carbon |
| Fork | NEW Synapse Disc Asymmetric, SAVE PLUS, BallisTec Carbon, integrated crown race, size-specific design 44-48: 1 1/8” steerer/60mm rake, 51-54: 1-1/8” - 1-1/4” tapered steerer/55mm rake |
| Fork Material | Carbon |
Drivetrain
| Shifters | Shimano Ultegra Di2 R8070 hydro disc |
|---|---|
| Front Derailleur | Shimano Ultegra Di2 R8050, braze-on |
| Rear Derailleur | Shimano Ultegra Di2 R8050 GS |
| Crankset | Cannondale Si, BB30a, w/ FSA rings, 50/34 |
| Bottom Bracket | FSA BB30 Bearings |
| Rear Cogs | Shimano Ultegra R8000, 11-32, 11-speed |
| Chain | Shimano HG601, 11-speed |
Brakes
| Brakes | Shimano Ultegra R8070 hydro disc, flat mount, 160/160mm |
|---|
Cockpit & Contact Points
| Headset | Synapse Si, 25mm carbon top cap |
|---|---|
| Handlebar | Cannondale C2 Women’s Compact, butted 2014 Alloy |
| Stem | Cannondale C2, 7050 Alloy, 31.8, 6 deg. |
| Saddle | Selle Royal Seta S1 Women’s |
| Seatpost | Cannondale C2, UD Carbon, Di2 Battery, 25.4x350mm |
Wheels & Tires
| Hubs | Mavic Aksium Disc, Centerlock |
|---|---|
| Rims | Mavic Aksium Disc |
| Spokes | Mavic Aksium |
| Front Tire | Schwalbe Lugano, Folding, 700x28c |
| Rear Tire | Schwalbe Lugano, Folding, 700x28c |
| Wheel Size | 700c |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 15 measurements
| Measurement | 44 | 48 | 51 | 54 |
|---|---|---|---|---|
| Seat tube | 370 mm | 407 mm | 443 mm | 480 mm |
| Effective top tube | 505 mm | 517 mm | 531 mm | 547 mm |
| Head tube | 103 mm | 122 mm | 137 mm | 161 mm |
| Head-tube angle | 70.2° | 70.8° | 71.7° | 71.7° |
| Seat-tube angle | 74.7° | 74.6° | 74.3° | 73.9° |
| Chainstay / rear center | 410 mm | 410 mm | 410 mm | 410 mm |
| Wheelbase | 989 mm | 996 mm | 994 mm | 1008 mm |
| Bottom-bracket drop | 75 mm | 75 mm | 75 mm | 73 mm |
| Bottom-bracket height | 270 mm | 270 mm | 270 mm | 272 mm |
| Reach | 365 mm | 371 mm | 377 mm | 382 mm |
| Stack | 510 mm | 530 mm | 550 mm | 570 mm |
| Standover height | 680 mm | 712 mm | 742 mm | 773 mm |
| Fork offset / rake | 60 mm | 60 mm | 55 mm | 55 mm |
| Front center | 591 mm | 598 mm | 596 mm | 609 mm |
| Trail | 60 mm | 56 mm | 56 mm | 56 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

Shimano SLX/105 CN-HG601 11-Speed Chain Grey, 126 Links
126 Links

Schwalbe Pro One Evolution Tire - Tubeless Black, Addix Race, 700x28
700x28
Replacement option · verify fit

Challenge Strada Pro Tubeless Tire Black, 700x28
700x28
Replacement option · verify fit
More parts (6)
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2018 Cannondale Synapse Carbon Disc Women’s Ultegra Di2 · Road · Published sizes: 44, 48, 51, 54
Frame and fork
Inspect the frame and fork →Archived: Frame: NEW Synapse Disc Women’s, BallisTec Carbon, Di2 ready, SAVE PLUS, BB30a · Fork: NEW Synapse Disc Asymmetric, SAVE PLUS, BallisTec Carbon, integrated crown race, size-specific design 44-48: 1 1/8” steerer/60mm rake, 51-54: 1-1/8” - 1-1/4” tapered steerer/55mm rake · Carbon
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Ultegra Di2 R8070 hydro disc · Front derailleur: Shimano Ultegra Di2 R8050, braze-on · Rear derailleur: Shimano Ultegra Di2 R8050 GS · Crankset: Cannondale Si, BB30a, w/ FSA rings, 50/34 · Bottom bracket: FSA BB30 Bearings · Rear cogs: Shimano Ultegra R8000, 11-32, 11-speed · Chain: Shimano HG601, 11-speed
Brakes
Inspect the brakes →Archived: Brakes: Shimano Ultegra R8070 hydro disc, flat mount, 160/160mm
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c · Rims: Mavic Aksium Disc · Hubs: Mavic Aksium Disc, Centerlock · Front tire: Schwalbe Lugano, Folding, 700x28c · Rear tire: Schwalbe Lugano, Folding, 700x28c
Controls and contact points
Archived: Headset: Synapse Si, 25mm carbon top cap · Handlebar: Cannondale C2 Women’s Compact, butted 2014 Alloy · Stem: Cannondale C2, 7050 Alloy, 31.8, 6 deg. · Seatpost: Cannondale C2, UD Carbon, Di2 Battery, 25.4x350mm · Saddle: Selle Royal Seta S1 Women’s
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help preserve its real-world history by sharing your owner experience.
Share the details that would help another rider understand how this model fits, rides and holds up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





