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2020 Cannondale Topstone Carbon Ultegra RX 2

Original specifications: 700c wheels · geometry for 5 published sizes.

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At a glance

Model year
2020
Category
Gravel & Cyclocross
Sizes
XS, S, M, L, XL
Colors
Agave (AGV)
Geometry
5 manufacturer sizes
In this record
24 specifications · archived image · geometry
Archive ID
900002659
Original buildCarbon · 700c

Manufacturer catalog

Published sizes and colors

5 sizes · 1 color

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

Published sizes

XSSMLXL

Published colors

Agave (AGV)

Frameset

Frame ConstructionAll-New, BallisTec Carbon, Kingpin suspension system, Proportional Response size-specific construction, Directline internal cable routing, BB30-83 Ai, 142x12 Speed Release thru-axle, flat-mount disc, removable fender bridge, multiple gear/bottle mounts, dropper post compatible
Frame MaterialCarbon
ForkAll-New, BallisTec Carbon, 55mm OutFront offset, SAVE, 1-1/8” to 1.5” steerer, integrated crown race, Directline internal routing, 12x100mm Speed Release thru-axle, flat mount disc, gear/rack/fender mounts
Fork MaterialCarbon

Drivetrain

ShiftersShimano Ultegra hydro disc, 2x11
Front DerailleurShimano Ultegra, braze-on
Rear DerailleurShimano Ultegra RX GS Shadow Plus
CranksetCannondale 1, BB30a, FSA rings, 46/30
Bottom BracketCannondale Alloy PressFit30
Rear CogsShimano 105, 11-34, 11-speed
ChainShimano HG601, 11-speed
PedalsNot Included

Brakes

BrakesShimano Ultegra hydro disc, 160/160mm RT54 rotors

Cockpit & Contact Points

HeadsetIntegrated, 1.5” lower to 1-1/8” upper w/ reducer, 25mm Alloy top cap
HandlebarCannondale 3, butted 6061 alloy, 16 deg flare drop
StemCannondale 2, 6061 alloy, 31.8, 6°
SaddleFabric Scoop Radius Elite, cro-mo rails
SeatpostCannondale 2, carbon, 27.2 x 350mm

Wheels & Tires

Hubs(F) Formula CL-712, 12x100 centerlock / (R) Formula RXC-400, 12x142 centerlock
RimsWTB KOM Light i23 TCS, 28h, tubeless ready
SpokesStainless Steel, 14g (Ai Offset Dish - rear)
Front TireWTB Riddler TCS Light, 700 x 37c, tubeless ready
Rear TireWTB Riddler TCS Light, 700 x 37c, tubeless ready
Wheel Size700c

Geometry

5 sizes · 15 measurements

Frame measurements by size.

All geometry measurements5 sizes · 15 measurements
MeasurementXSSMMDLGXL
Seat tube410 mm458 mm505 mm553 mm600 mm
Effective top tube525 mm544 mm561 mm579 mm596 mm
Head tube97 mm131 mm165 mm198 mm232 mm
Head-tube angle70°71.2°71.2°71.2°71.2°
Seat-tube angle73.1°73.1°73.1°73.1°73.1°
Chainstay / rear center415 mm415 mm415 mm415 mm415 mm
Wheelbase999 mm1010 mm1030 mm1040 mm1060 mm
Bottom-bracket drop69 mm64 mm61 mm61 mm59 mm
Bottom-bracket height273 mm278 mm280 mm280 mm283 mm
Reach368 mm377 mm385 mm394 mm402 mm
Stack518 mm549 mm579 mm610 mm640 mm
Standover height715 mm761 mm803 mm843 mm885 mm
Fork offset / rake55 mm55 mm55 mm55 mm55 mm
Front center594 mm604 mm623 mm642 mm660 mm
Trail66 mm58 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 sizes46/30T · 11–34T · 11-speed
Lowest0.88:1 Highest4.18:1 Total range474%

6.5–30.7 mph at 90 rpm, estimated from the published rear tire size 700×37c · 37-622 ETRTO.

Campaign

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano HG601, 11-speed
Retailer offers · Affiliate links
Cassette / rear cogs · Original
Shimano 105, 11-34, 11-speed Search: Shimano 105, 11-34, 11-speed cassette
Front tire · Original
WTB Riddler TCS Light, 700 x 37c, tubeless ready
Retailer offers · Affiliate links
More parts (6)
Saddle · Original
Fabric Scoop Radius Elite, cro-mo rails
Crankset · Original
Cannondale 1, BB30a, FSA rings, 46/30
Retailer offers · Affiliate links
Front derailleur · Original
Shimano Ultegra, 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 RX GS Shadow Plus Search: Shimano Ultegra 11-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shifters · Original
Shimano Ultegra hydro disc, 2x11 Search: Shimano Ultegra hydro disc, 2x11 shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Seatpost · Original
Cannondale 2, carbon, 27.2 x 350mm
Retailer offers · Affiliate links

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 20 checks based on 5 archived component groups Open checklistClose checklist
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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: 2020 Cannondale Topstone Carbon Ultegra RX 2 · Cyclocross/Gravel · Published sizes: XS, S, M, L, XL

Archived: Frame: Carbon · Fork: All-New, BallisTec Carbon, 55mm OutFront offset, SAVE, 1-1/8” to 1.5” steerer, integrated crown race, Directline internal routing, 12x100mm Speed Release thru-axle, flat mount disc, gear/rack/fender mounts · Carbon

Archived: Shifters: Shimano Ultegra hydro disc, 2x11 · Front derailleur: Shimano Ultegra, braze-on · Rear derailleur: Shimano Ultegra RX GS Shadow Plus · Crankset: Cannondale 1, BB30a, FSA rings, 46/30 · Bottom bracket: Cannondale Alloy PressFit30 · Rear cogs: Shimano 105, 11-34, 11-speed · Chain: Shimano HG601, 11-speed

Archived: Brakes: Shimano Ultegra hydro disc, 160/160mm RT54 rotors

Archived: Wheel size: 700c · Rims: WTB KOM Light i23 TCS, 28h, tubeless ready · Hubs: (F) Formula CL-712, 12x100 centerlock / (R) Formula RXC-400, 12x142 centerlock · Front tire: WTB Riddler TCS Light, 700 x 37c, tubeless ready · Rear tire: WTB Riddler TCS Light, 700 x 37c, tubeless ready

Controls and contact points

Archived: Headset: Integrated, 1.5” lower to 1-1/8” upper w/ reducer, 25mm Alloy top cap · Handlebar: Cannondale 3, butted 6061 alloy, 16 deg flare drop · Stem: Cannondale 2, 6061 alloy, 31.8, 6° · Seatpost: Cannondale 2, carbon, 27.2 x 350mm · Saddle: Fabric Scoop Radius Elite, cro-mo rails · Pedals: Not Included

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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