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2019 Cannondale Synapse Carbon Disc Ultegra Flat Bar

Original specifications: 700c wheels · geometry for 4 published sizes.

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At a glance

Archive #900002726
Model year
2019
Category
Road
Sizes
S, M, L, XL
Colors
Jet Black w/ Graphite - Gloss (BPL)
Geometry
4 manufacturer sizes
In this record
24 specifications · archived image · geometry
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Original buildCarbon · 700c

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

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

Published sizes

SMLXL

Published colors

Jet Black w/ Graphite - Gloss (BPL)

Frameset

Frame ConstructionSynapse Disc Asymmetric, Carbon, Di2 ready, SAVE, BB30a, flat mount, 12mm thru axle
Frame MaterialCarbon
ForkSynapse Disc Asymmetric, Carbon, SAVE, integrated crown race, 12x100mm thru-axle (S/M): 1-1/8” - 1-1/4” tapered steerer, 55mm rake, (L/XL): 1-1/8” - 1-3/8” tapered steerer, 45mm rake
Fork MaterialCarbon

Drivetrain

ShiftersShimano RS700 FB, 2x11
Front DerailleurShimano 105, braze-on
Rear DerailleurShimano Ultegra GS
CranksetCannondale Si, BB30a w/ FSA rings, 50/34
Bottom BracketCannondale Alloy PressFit30
Rear CogsShimano 105, 11-32, 11-speed
ChainShimano HG601, 11-speed
PedalsNot Included

Brakes

BrakesShimano MT201 hydro disc, 160/160mm RT26 rotors

Cockpit & Contact Points

HeadsetSynapse Si, 25mm Alloy top cap
HandlebarCannondale C3 Flat, 6061 Alloy, 10° back, 3° rise
StemCannondale C3, 6061 Alloy, 31.8, 7°
SaddleFabric Scoop Radius Sport, steel rails
SeatpostCannondale C3, 6061 Alloy, 25.4 x 350mm (44-56), 400mm (58-61)

Wheels & Tires

HubsFormula RX-512 12x100 front, RX-142 12x142 rear
RimsRD 3.0, 24h front, 28h
SpokesStainless Steel, 14g
Front TireSchwalbe Lugano, K-Guard, 700 x 28c
Rear TireSchwalbe Lugano, K-Guard, 700 x 28c
Wheel Size700c

Geometry

4 sizes · 15 measurements

Frame measurements by size.

All geometry measurements4 sizes · 15 measurements
Measurement51(S)54(M)56(L)58(XL)
Seat tube443 mm480 mm520 mm550 mm
Effective top tube531 mm547 mm561 mm579 mm
Head tube137 mm161 mm173 mm197 mm
Head-tube angle71.7°71.7°73°73°
Seat-tube angle74.3°73.9°73.5°73°
Chainstay / rear center410 mm410 mm410 mm410 mm
Wheelbase994 mm1008 mm995 mm1009 mm
Bottom-bracket drop75 mm73 mm73 mm70 mm
Bottom-bracket height270 mm272 mm272 mm275 mm
Reach377 mm382 mm386 mm393 mm
Stack550 mm570 mm590 mm610 mm
Standover height742 mm773 mm804 mm833 mm
Fork offset / rake55 mm55 mm45 mm45 mm
Front center596 mm609 mm596 mm609 mm
Trail56 mm56 mm58 mm58 mm

Dimensions as recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes50/34T · 11–32T · 11-speed
Lowest1.06:1 Highest4.55:1 Total range428%
Estimated speed At 90 RPM Lowest gear7.6 mph Highest gear32.5 mph

Rear tire: 700C×28.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano HG601

11-speed

Retailer offers
Front tire · Original
Schwalbe Lugano

K-Guard, 700 x 28c

Retailer offers
Other replacement options (1)
Front derailleur · Original
Shimano 105

braze-on

Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Retailer offers
More parts (5)Fewer parts
Cassette / rear cogs · Original
Shimano 105

11-32, 11-speed

Saddle · Original
Fabric Scoop Radius Sport

steel rails

Crankset · Original
Cannondale Si

BB30a w/ FSA rings, 50/34

Rear derailleur · Original
Shimano Ultegra GS Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Seatpost · Original
Cannondale C3

6061 Alloy, 25.4 x 350mm (44-56), 400mm (58-61)

Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Service essentialsQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
Schwalbe Lugano, K-Guard, 700 x 28cCheck: Verify the fitted tire’s size marking and rim type.
Rear tire
Schwalbe Lugano, K-Guard, 700 x 28cCheck: Verify the rear size; it may differ from the front.
Drivetrain
11-speedCheck: Match the installed drivetrain family, not just its speed count.
Seatpost diameter
25.4 mmCheck: Read the post’s diameter marking; seat-clamp size differs.
Bottom bracket / shell
Cannondale Alloy PressFit30Check: Verify shell type and width, crank interface, and spindle length or spacers.
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 record.

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: 2019 Cannondale Synapse Carbon Disc Ultegra Flat Bar · Road · Published sizes: S, M, L, XL

Archived: Frame: Synapse Disc Asymmetric, Carbon, Di2 ready, SAVE, BB30a, flat mount, 12mm thru axle · Fork: Synapse Disc Asymmetric, Carbon, SAVE, integrated crown race, 12x100mm thru-axle (S/M): 1-1/8” - 1-1/4” tapered steerer, 55mm rake, (L/XL): 1-1/8” - 1-3/8” tapered steerer, 45mm rake · Carbon

Archived: Shifters: Shimano RS700 FB, 2x11 · Front derailleur: Shimano 105, braze-on · Rear derailleur: Shimano Ultegra GS · Crankset: Cannondale Si, BB30a w/ FSA rings, 50/34 · Bottom bracket: Cannondale Alloy PressFit30 · Rear cogs: Shimano 105, 11-32, 11-speed · Chain: Shimano HG601, 11-speed

Archived: Brakes: Shimano MT201 hydro disc, 160/160mm RT26 rotors

Archived: Wheel size: 700c · Rims: RD 3.0, 24h front, 28h · Hubs: Formula RX-512 12x100 front, RX-142 12x142 rear · Front tire: Schwalbe Lugano, K-Guard, 700 x 28c · Rear tire: Schwalbe Lugano, K-Guard, 700 x 28c

Controls and contact points

Archived: Headset: Synapse Si, 25mm Alloy top cap · Handlebar: Cannondale C3 Flat, 6061 Alloy, 10° back, 3° rise · Stem: Cannondale C3, 6061 Alloy, 31.8, 7° · Seatpost: Cannondale C3, 6061 Alloy, 25.4 x 350mm (44-56), 400mm (58-61) · Saddle: Fabric Scoop Radius Sport, steel rails · Pedals: Not Included

Before and during the test ride

Follow the full used-bike inspection order →

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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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