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2018 Cannondale Synapse Carbon Disc Ultegra SE

Original specifications: 700c wheels · geometry for 6 published sizes.

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At a glance

Model year
2018
Category
Road
Sizes
48, 51, 54, 56, 58, 61
Colors
Stealth Gray w/ Transparent Black - Gloss (SGY)
Geometry
6 manufacturer sizes
In this record
23 specifications · archived image · geometry
Archive ID
900002520
Original buildCarbon · 700c

Manufacturer catalog

Published sizes and colors

6 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

485154565861

Published colors

Stealth Gray w/ Transparent Black - Gloss (SGY)

Frameset

Frame ConstructionNEW Synapse Disc, BallisTec Carbon, Di2 ready, SAVE PLUS, BB30a, flat mount, 12mm thru axle
Frame MaterialCarbon
ForkNEW 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 56-61: 1-1/8” - 1-3/8” tapered steerer, 45mm rake
Fork MaterialCarbon

Drivetrain

ShiftersShimano Ultegra R8020 hydro disc
Front DerailleurShimano Ultegra R8000, braze-on
Rear DerailleurShimano Ultegra R8000 GS
CranksetHollowGram Si, BB30a, w/ OPI SpideRing 50/34
Bottom BracketFSA BB30 Bearings
Rear CogsShimano Ultegra R8000, 11-34, 11-speed
ChainShimano HG601, 11-speed

Brakes

BrakesShimano Ultegra R8020 hydro disc, flat mount, 160/140mm

Cockpit & Contact Points

HeadsetSynapse Si, 25mm carbon top cap
HandlebarCannondale C1 Ultralight Alloy Handlebar
StemCannondale SAVE System
SaddleFabric Scoop Radius Elite
SeatpostCannondale SAVE Carbon, 25.4x350mm (44-56), 400mm (58-61)

Wheels & Tires

HubsFormula CL-712 front, RXC-142 Rear
RimsWTB KOM i21 TCS 28-hole
SpokesDouble butted, Stainless steel, 2.0/1.8/2.0mm
Front TireWTB Exposure, 700x30c, tubeless, gumwall
Rear TireWTB Exposure, 700x30c, tubeless, gumwall
Wheel Size700c

Geometry

6 sizes · 15 measurements

Frame measurements by size.

All geometry measurements6 sizes · 15 measurements
Measurement485154565861
Seat tube407 mm443 mm480 mm520 mm550 mm590 mm
Effective top tube517 mm531 mm547 mm561 mm579 mm604 mm
Head tube122 mm137 mm161 mm173 mm197 mm229 mm
Head-tube angle70.8°71.7°71.7°73°73°73°
Seat-tube angle74.6°74.3°73.9°73.5°73°72.5°
Chainstay / rear center410 mm410 mm410 mm410 mm410 mm410 mm
Wheelbase996 mm994 mm1008 mm995 mm1009 mm1028 mm
Bottom-bracket drop75 mm75 mm73 mm73 mm70 mm70 mm
Bottom-bracket height270 mm270 mm272 mm272 mm275 mm275 mm
Reach371 mm377 mm382 mm386 mm393 mm402 mm
Stack530 mm550 mm570 mm590 mm610 mm640 mm
Standover height712 mm742 mm773 mm804 mm833 mm868 mm
Fork offset / rake60 mm55 mm55 mm45 mm45 mm45 mm
Front center598 mm596 mm609 mm596 mm609 mm627 mm
Trail56 mm56 mm56 mm58 mm58 mm58 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes50/34T · 11–34T · 11-speed
Lowest1.00:1 Highest4.55:1 Total range455%

7.2–32.7 mph at 90 rpm, estimated from the published rear tire size 700×30c · 30-622 ETRTO.

Campaign

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano HG601, 11-speed
Retailer offers · Affiliate links
Cassette / rear cogs · Original
Shimano Ultegra R8000, 11-34, 11-speed Search: Shimano Ultegra R8000, 11-34, 11-speed cassette
Retailer offers · Affiliate links
Front tire · Original
WTB Exposure, 700x30c, tubeless, gumwall
Retailer offers · Affiliate links
Challenge Strada Bianca Pro Tubeless Tire Tan, 700x30

Challenge Strada Bianca Pro Tubeless Tire Tan, 700x30

700x30

Replacement option · verify fit

More parts (6)
Brake pads · Original
Shimano Ultegra R8020 hydro disc, flat mount, 160/140mm
Bottom bracket · Original
FSA BB30 Bearings
Saddle · Original
Fabric Scoop Radius Elite
Front derailleur · Original
Shimano Ultegra R8000, braze-on Search: Shimano Ultegra 11-speed front derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Rear derailleur · Original
Shimano Ultegra R8000 GS Search: Shimano Ultegra 11-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shifters · Original
Shimano Ultegra R8020 hydro disc Search: Shimano Ultegra 11-speed shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.

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
0 of 19 checked Progress stays in this browser for this bike.

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.

Archived: 2018 Cannondale Synapse Carbon Disc Ultegra SE · Road · Published sizes: 48, 51, 54, 56, 58, 61

Archived: Frame: NEW Synapse Disc, BallisTec Carbon, Di2 ready, SAVE PLUS, BB30a, flat mount, 12mm thru axle · Fork: · Carbon

Archived: Shifters: Shimano Ultegra R8020 hydro disc · Front derailleur: Shimano Ultegra R8000, braze-on · Rear derailleur: Shimano Ultegra R8000 GS · Crankset: HollowGram Si, BB30a, w/ OPI SpideRing 50/34 · Bottom bracket: FSA BB30 Bearings · Rear cogs: Shimano Ultegra R8000, 11-34, 11-speed · Chain: Shimano HG601, 11-speed

Archived: Brakes: Shimano Ultegra R8020 hydro disc, flat mount, 160/140mm

Archived: Wheel size: 700c · Rims: WTB KOM i21 TCS 28-hole · Hubs: Formula CL-712 front, RXC-142 Rear · Front tire: WTB Exposure, 700x30c, tubeless, gumwall · Rear tire: WTB Exposure, 700x30c, tubeless, gumwall

Controls and contact points

Archived: Headset: Synapse Si, 25mm carbon top cap · Handlebar: Cannondale C1 Ultralight Alloy Handlebar · Stem: Cannondale SAVE System · Seatpost: Cannondale SAVE Carbon, 25.4x350mm (44-56), 400mm (58-61) · Saddle: Fabric Scoop Radius Elite

Before and during the test ride

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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