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52 mm clearance, UDH, Lefty: the aluminium Topstone steps up

The new Cannondale Topstone CAAD didn’t make a big splash. Yet this update is worth a closer look because it concerns an important bike: the versatile aluminium gravel bike you can take on trails and tracks, or turn into an everyday machine.

Cannondale now calls it the Topstone CAAD, and that name matters. The brand is putting its historic aluminium expertise back to the fore with a SmartForm C1 frame, modern standards and a range broad enough to cover multiple uses. From the Lefty version at 2 699 € to the Flat Bar model at 1 299 €, there’s a clear intent to structure the line-up.

🚀 In brief:

  • New generation of the Cannondale Topstone aluminium, now called Topstone CAAD

  • SmartForm C1 frame, UDH compatibility, BSA bottom bracket and stated clearance up to 52 mm

  • A very broad range: Lefty, GRX 1x or 2x, CUES, EQ equipped and a flat bar version

I really liked the previous generation in my test of the aluminium Cannondale Topstone. It wasn’t the flashiest gravel bike on the market, but it had that rare quality: making you want to ride without overthinking it.

A CAAD aluminium frame, not just a cheaper version

The interesting point is that Cannondale doesn’t present this Topstone CAAD as a simple gateway below carbon. The frame follows the CAAD logic: butted tubes, smoothed welds, SmartForm C1 aluminium and geometry designed to handle a wide range of riding.

That’s not trivial. On an aluminium gravel bike, frame quality matters a great deal. Poor alu can quickly feel stiff, harsh and fatiguing. Cannondale is one of the brands that really knows how to work this alloy, and that’s probably what makes this new generation more interesting than a simple price sheet.

The bike keeps a clean silhouette, with internal cable routing, a Conceal stem on certain builds and flush mounts on the top tube. The style is modernised without straying into over-integration that complicates everything.

The standout figure: up to 52 mm of clearance

The number that really changes things is the claimed clearance of up to 52 mm measured, with 4 mm of margin on each side according to Cannondale. For a versatile aluminium gravel bike, that’s wide. Very wide indeed.

It opens several options: fit a fast 45 mm to ride hard, move to 50 mm to gain comfort and grip, or keep headroom when the tracks get muddy. Do note though: Cannondale specifies that clearance is reduced on EQ versions fitted with mudguards.

Standards that are finally truly practical

Cannondale ticks several long-term boxes. The frame uses a BSA 68 mm threaded bottom bracket, a UDH derailleur hanger, standard thru-axles, flat-mount brakes and a 27.2 mm seatpost, compatible with a dropper post.

In other words: this Topstone CAAD seems designed to be maintained, modified, equipped. It’s maybe less sexy than a new carbon layup or an aero promise, but for a bike meant to be ridden often, sometimes loaded, sometimes in the rain, these are reassuring choices.

The frame also provides dynamo routing, mounts for mudguards, racks, bottle cages and bags. Cannondale even adds a discreet two-bolt kickstand mount. Some will grimace. Others will genuinely use their bike every day.

A broad range with a clear focus on use

Top of the range in this family is the Topstone CAAD Lefty at 2 699 €. It pairs the aluminium frame with the 40 mm Lefty Oliver suspension fork, a Shimano GRX 610 1×12 groupset, WTB ST i25 tubeless-ready wheels and WTB Vulpine tyres in 700x45c.

It’s the most off-road-oriented build. The Lefty Oliver remains a very Cannondale element: polarising, recognisable, but relevant if you want more front-end control. You’ll just need to accept the specific maintenance demands of a suspension fork, even if Cannondale quotes a 100-hour service interval.

Just below, the Topstone CAAD 1 GRX 1x and GRX 2x are both listed at 1 999 €. The first opts for the simplicity of a single chainring with Shimano GRX 1×12, the second keeps a 2×12 drivetrain better suited to those who want a broader spread of gears, especially on road or long rides.

EQ, CUES and flat bar: Cannondale is also looking at real life

The Topstone CAAD EQ version at 1 899 € is perhaps one of the most telling in the range. It comes with integrated lighting, mudguards, a rear rack and a kickstand. Not very glamorous, but frankly useful.

It’s the kind of build that speaks to riders who want a single bike to commute, ride at the weekend, take to the tracks, carry a bit of load and not add everything after purchase. In today’s market, that proposition makes sense.

The CUES versions complete the entry-level: Topstone CAAD 2 CUES 1x at 1 699 €, Topstone CAAD 3 CUES 1x at 1 499 €, then the Topstone CAAD 3 CUES Flat Bar at 1 299 €. This last one answers a clear demand: a simple flat-bar gravel bike, more accessible, less performance-oriented, but able to leave the city without turning into a generic hybrid.

High prices for aluminium, but credible builds

Let’s be clear: prices remain on the high side for an aluminium gravel bike. At 1 999 € in 12-speed GRX, and 2 699 € with a Lefty, Cannondale isn’t trying to play the rock-bottom pricing game. The brand is emphasising its frame, its CAAD image, its standards and the consistency of its builds.

The question will be less “is it the cheapest?” than “do the frame and the equipment justify the difference?”. On the better-specced versions, the choice of WTB i25 wheels, Vulpine 45 tyres, generous clearance and durable standards makes for a credible package.

Compared to the recently updated Topstone Carbon, this CAAD plays a different tune. No KingPin at the rear, not the same refinement in compliance, but a simpler, more mechanical approach, probably easier to live with for many riders.

Our view

This new Topstone CAAD feels pretty spot on. It doesn’t try to make aluminium pass for carbon. On the contrary, it embraces what this material can offer when well executed: robustness, responsiveness, simplicity and a certain straightforwardness.

The real good news is the overall coherence: 52 mm clearance, UDH, BSA, numerous mounts, equipped versions, Lefty or flat bar. Cannondale hasn’t just refreshed a frame. The brand has brought the aluminium Topstone back into today’s gravel standards.

One clear reservation remains: price. The Topstone CAAD won’t be the rational choice for everyone seeking the best spec-to-price ratio. But for those who want a well-sorted, very versatile aluminium gravel bike with a real brand identity, this new generation very much deserves to pop up on the radar.

Additional information

Riding style

Versatile gravel

Frame

Aluminium

Electric assist

No

Gender

Unisex

Year

2027

Model

Cannondale Topstone CAAD 1 GRX, Cannondale Topstone CAAD Cues, Cannondale Topstone CAAD Lefty

Cannondale Topstone CAAD
“A well-equipped, versatile aluminium build, but priced fairly high.”
Price range: 1 299 € through 2 699 €
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Hugo
HugoFounder & passionate tester
A true cycling enthusiast since he was 11, Hugo is the author of the book "C’est Gravel" and the founder of the Gravel Passion media platform, which he launched in 2021. Since then, he has been sharing his passion with expertise with more than 1 million cyclists every year.
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