2020 Cannondale

Topstone Carbon Ultegra RX 2

A carbon frame gravel bike with high-end components and hydraulic disc brakes.
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MSRP$3,300
Weight19.8 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
GroupsetUltegra, FSA
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Topstone Carbon Ultegra RX 2
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

36 mph

Topstone Carbon Ultegra RX 2

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews
99 Spokes
2020 Cannondale Topstone 105

Jun 2020

Cannondale's attention to detail on the Topstone is excellent, and they've made some really interesting design choices to stand out in an increasingly-crowded category. Apparently they've succeeded -- the Topstone 105 has been the third most popular bike on all of 99 Spokes this year.

Highs
  • Well balanced

  • Descends well

  • Good power transfer

Lows
  • No mount points on the fork

  • Cheap bottom bracket

Read Review

road.cc
Cannondale Topstone Carbon Lefty 1

Dec 2020 · Dave Atkinson

Fast, light gravel ripper with top-notch equipment and useful suspension tech

Highs
  • Suspension a genuine benefit off road

  • Fast and fun ride

  • Dropper and mudguard compatible

Lows
  • Fiddly front wheel removal

  • Tyres not up to technical stuff

  • Costs large amounts of money

Read Review

Bikerumor
Cannondale Topstone Carbon Lefty (finally) adds next-gen Oliver v2 front suspension

May 2020

The Cannondale Topstone Carbon Lefty gives them an efficient "full suspension" gravel bike, complete with all-new, 2nd gen Lefty Oliver suspension fork!

Read Review

Cycling Tips
Cannondale Topstone Carbon Lefty review: Suspension makes it better - CyclingTips

May 2020 · James Huang

The new Cannondale Topstone Carbon Lefty is basically the same as the standard Topstone Carbon, but now with a suspension fork and a switch to 650b wheels and tires. The changes sound modest on paper but the difference you feel in the saddle is far greater than you might expect, and while that Lefty Oliver […]

Highs
  • Exceptional ride quality front and rear, well-tuned front suspension fork, nimble handling.

Lows
  • Lots of Cannondale quirkiness, heavy.

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Road Bike Action
Bike Test: Cannondale Topstone Carbon Lefty

May 2020 · Troy Templin

Just add suspension and send it

Read Review

Cycling News
Cannondale Topstone Ultegra RX 2 review

May 2020 · Patrick Fletcher

Rather than singling out one area of expertise, the Cannondale Topstone has the ability to adapt to any situation - trails, gravel and pavement dashing included

Highs
  • Ride quality

  • Ultegra groupset

  • Overall speed and all-round terrain ability

Lows
  • Wheels could be of better stock

  • Not tubeless from factory

Read Review

Cyclist
Cannondale Topstone Ultegra bike review

May 2020 · Paul Norman

A fun off-road machine that ticks all the gravel riding boxes, but the low ratios slow progress on tarmac

Highs
  • Quality off road spec and handling

  • Good tyres

Lows
  • A bit weighty

  • Exposed cabling under BB

Read Review

BikeRadar
Cannondale Topstone Carbon Ultegra RX review

Apr 2020 · Warren Rossiter

Pivoting gravel specialist

Highs
  • Fast, flowing machine with poised handling and superb wheels

Lows
  • Firmer up front than at the supple rear

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

All-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, 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

BB StandardPF30, Press Fit

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

Bottom Bracket

Cannondale Alloy PressFit30

Headset

Integrated, 1.5" lower to 1-1/8" upper w/ reducer, 25mm Alloy top cap

Stem

Cannondale 2, 6061 alloy, 31.8, 6°

Handlebar

Cannondale 3, butted 6061 alloy, 16 deg flare drop

Saddle

Fabric Scoop Radius Elite, cro-mo rails

Seatpost

Cannondale 2, carbon, 27.2 x 350mm

TypeRigid

Pedals

Not Included

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

Shimano Ultegra RX GS Shadow Plus

Front Derailleur

Shimano Ultegra, braze-on

Crank

Cannondale 1, BB30a, FSA rings, 46/30

Shifters

Shimano Ultegra hydro disc, 2x11

Cassette

Shimano 105, 11-34, 11-speed

Chain

Shimano HG601, 11-speed

Brakes

Shimano Ultegra hydro disc, 160/160mm RT54 rotors

TypeHydraulic Disc

Brake Levers

Shimano Ultegra hydro disc

Wheels
Rims

WTB KOM Light i23 TCS, 28h, tubeless ready

Spokes

Stainless Steel, 14g (Ai Offset Dish - rear)

Front Hub

Formula CL-712, 12x100 centerlock

Rear Hub

Formula RXC-400, 12x142 centerlock

Tires

WTB Riddler TCS Light, 700 x 37c, tubeless ready

Rider Notes
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Last updated June 9
Not listed for 1,386 days