7.2–32.5 mph at 90 rpm, estimated from the published rear tire size 700×28c · 28-622 ETRTO.
Velopedia Bicycle Archive
2018 Cannondale Synapse Disc Sora
Original specifications: 700c wheels · geometry for 6 published sizes.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 2018
- Category
- Road
- Sizes
- 48, 51, 54, 56, 58, 61
- Colors
- Acid Green w/ Jet Black and Charcoal Gray - Gloss (AGR)
- Geometry
- 6 manufacturer sizes
- In this record
- 24 specifications · archived image · geometry
- Archive ID
- 900002516
Original buildAluminum · 700c
Frameset
| Frame Construction | NEW Synapse Disc, SmartForm C2 Alloy, SAVE PLUS, BSA |
|---|---|
| Frame Material | Aluminum |
| Fork | NEW Synapse SAVE Disc Asymmetric, Carbon blades, 1-1/8” - 1 1/4” Tapered Steerer, flat mount, 50mm rake (48, 51), 60mm rake (54-61) |
| Fork Material | Carbon |
Drivetrain
| Shifters | Shimano Sora |
|---|---|
| Front Derailleur | Shimano Sora, braze-on |
| Rear Derailleur | Shimano Sora GS cage |
| Crankset | FSA Vero, 50/34 |
| Bottom Bracket | FSA Cartridge |
| Rear Cogs | Shimano HG400, 11-34, 9-speed |
| Chain | KMC Z99, 9-speed |
| Pedals | Wellgo w/ Clip and Strap |
Brakes
| Brakes | Promax DSK 718R, Dual side pulling, flat mount, cable disc 160/160mm |
|---|
Cockpit & Contact Points
| Headset | FSA Integrated, 1-1/4" lower bearing, 25mm top cap |
|---|---|
| Handlebar | Cannondale C4 Compact, 6061 Alloy |
| Stem | Cannondale C4, 31.8, 6 deg. |
| Saddle | Cannondale Stage Ergo |
| Seatpost | Cannondale C4, 6061 Alloy, 25.4x350mm (48-56), 400mm (58-61) |
Wheels & Tires
| Hubs | Alloy, sealed loose ball bearing, 28h |
|---|---|
| Rims | RD Disc, 28-hole |
| Spokes | Stainless Steel, 14g |
| Front Tire | Vittoria Zaffiro 700x28c |
| Rear Tire | Vittoria Zaffiro 700x28c |
| Wheel Size | 700c |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements6 sizes · 15 measurements
| Measurement | 48 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Seat tube | 422 mm | 443 mm | 480 mm | 520 mm | 550 mm | 590 mm |
| Effective top tube | 517 mm | 531 mm | 547 mm | 563 mm | 580 mm | 604 mm |
| Head tube | 123 mm | 143 mm | 159 mm | 178 mm | 202 mm | 232 mm |
| Head-tube angle | 70.8° | 71° | 71.9° | 72.1° | 72.3° | 72.5° |
| Seat-tube angle | 74.6° | 74.3° | 73.9° | 73.5° | 73° | 72.5° |
| Chainstay / rear center | 413 mm | 413 mm | 413 mm | 413 mm | 413 mm | 413 mm |
| Wheelbase | 999 mm | 1010 mm | 1004 mm | 1014 mm | 1025 mm | 1041 mm |
| Bottom-bracket drop | 75 mm | 75 mm | 73 mm | 73 mm | 70 mm | 70 mm |
| Bottom-bracket height | 270 mm | 270 mm | 272 mm | 272 mm | 275 mm | 275 mm |
| Reach | 371 mm | 376 mm | 383 mm | 389 mm | 394 mm | 403 mm |
| Stack | 530 mm | 550 mm | 570 mm | 589 mm | 609 mm | 639 mm |
| Standover height | 701 mm | 722 mm | 755 mm | 787 mm | 816 mm | 851 mm |
| Fork offset / rake | 60 mm | 60 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Front center | 598 mm | 608 mm | 602 mm | 612 mm | 622 mm | 638 mm |
| Trail | 57 mm | 55 mm | 60 mm | 59 mm | 58 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

Vittoria Rubino Pro G2.0 Tubeless Tire Black, 700x28
700x28
Replacement option · verify fit

Challenge Strada Pro Tubeless Tire Black, 700x28
700x28
Replacement option · verify fit
More parts (5)

ENVE Twin Bolt Seatpost - 25mm Offset UD Carbon, 25.4mm
25.4mm
Replacement option · verify fit
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 Disc Sora · Road · Published sizes: 48, 51, 54, 56, 58, 61
Frame and fork
Inspect the frame and fork →Archived: Frame: NEW Synapse Disc, SmartForm C2 Alloy, SAVE PLUS, BSA · Fork: NEW Synapse SAVE Disc Asymmetric, Carbon blades, 1-1/8” - 1 1/4” Tapered Steerer, flat mount, 50mm rake (48, 51), 60mm rake (54-61) · Carbon
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Sora · Front derailleur: Shimano Sora, braze-on · Rear derailleur: Shimano Sora GS cage · Crankset: FSA Vero, 50/34 · Bottom bracket: FSA Cartridge · Rear cogs: Shimano HG400, 11-34, 9-speed · Chain: KMC Z99, 9-speed
Brakes
Inspect the brakes →Archived: Brakes: Promax DSK 718R, Dual side pulling, flat mount, cable disc 160/160mm
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c · Rims: RD Disc, 28-hole · Hubs: Alloy, sealed loose ball bearing, 28h · Front tire: Vittoria Zaffiro 700x28c · Rear tire: Vittoria Zaffiro 700x28c
Controls and contact points
Archived: Headset: FSA Integrated, 1-1/4" lower bearing, 25mm top cap · Handlebar: Cannondale C4 Compact, 6061 Alloy · Stem: Cannondale C4, 31.8, 6 deg. · Seatpost: Cannondale C4, 6061 Alloy, 25.4x350mm (48-56), 400mm (58-61) · Saddle: Cannondale Stage Ergo · Pedals: Wellgo w/ Clip and Strap
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.
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





