Cannondale SuperXvsCervelo Aspero
This matchup pits the high-velocity aero integration of the new SuperX against the bike that defined the 'haul ass, not cargo' mantra. While Cannondale pushes the limits with massive 51mm tire clearance and pure cyclocross pedigree, Cervelo doubles down on its razor-sharp road handling for the gravel racing set.
Overview
Both brands have spent the last season clarifying exactly what a race rig should look like. Cannondale revived the SuperX name to signal a return to its competitive roots, effectively replacing the alphabet soup of the 'SuperSix EVO SE' with a bike that behaves like a road racer but clears chunky 51mm rubber. Cervelo’s latest Aspero update is less of a revolution and more of a much-needed polishing of its sharpest edges, specifically addressing the vibration-damping issues of the first generation without diluting its aggressive soul. Neither bike wants anything to do with racks or adventure-style bikepacking. These are pure performance tools that use road-derived tube shaping to slice through the air at 35kph. Cannondale pushes the aero integration further with its hourglass-shaped Delta head tube and proprietary aero bottles, while Cervelo sticks to a more pragmatic approach with a threaded T47a bottom bracket and a cable management system that makes cockpit adjustments significantly easier for the home mechanic.
Ride and handling
On the dirt, the SuperX behaves like a high-velocity tractor. It manages a level of composure on loose, high-speed descents that makes other race bikes feel skittish. The rear end compliance, driven by those thin seatstays and the D-shaped seatpost, filters out the high-frequency chatter of corrugated dirt far better than its predecessor. It is a frame that encourages you to stay seated and power through washboard sections where you would normally be searching for a smoother line. The Aspero keeps its front end significantly more reactive, featuring a 72-degree head angle that is steeper than many modern endurance road bikes. It rewards an attentive pilot and feels exceptionally light when you stand up to punch over a short climb. Cervelo’s 'Trail Mixer' flip-chip is a unique party trick that allows you to maintain that sharp handling even if you swap to smaller 650b wheels. However, when the terrain turns truly technical, the Aspero’s 45mm tire ceiling feels restrictive compared to the SuperX’s ability to swallow balloon-like 50mm front tires for maximum traction.
Specifications
Value is surprisingly better at the Cervelo end of the scale. The Aspero range kicks off with more accessible builds like the GRX 400 or 600 options, providing a viable path for competitive riders on a budget. Cannondale keeps the SuperX further upmarket, with the LAB71 build pushing into stratospheric price territory, though it does deliver a staggering 7.4kg weight in full racing trim. Both brands have leaned on Reserve wheels for their flagship builds, which is a win for the consumer as they are among the most robust carbon hoops currently available. The Aspero’s cockpit is a highlight, featuring carbon bars with a wide, comfortable flat top even on mid-range builds. Cannondale’s mid-spec builds use more generic Vision alloy bars that some testers found harsh on the hands during long days. One crucial win for the SuperX is the inclusion of a robust rubber chainstay protector across the board, whereas the Aspero’s protection feels a bit more minimalist.
| SuperX | Aspero | |
|---|---|---|
| FRAMESET | ||
| Frame | Cannondale SuperX Carbon, Proportional Response construction, internal cable routing, 12x142mm thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seatpost binder | |
| Fork | Cannondale SuperX Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc, internal routing, 1-1/8" to 1-1/2" Delta steerer, 55mm offset | Cervélo All-Carbon, Tapered Aspero Fork |
| Rear shock | — | — |
| GROUPSET | ||
| Shift levers | SRAM Force AXS, 13-speed | Shimano GRX, RX610 |
| Front derailleur | — | Shimano GRX, RX820 |
| Rear derailleur | SRAM Force XPLR AXS, 13-speed | Shimano GRX, RX820 |
| Cassette | SRAM Force XPLR XG-1371, 10-46T, 13-speed | Shimano HG710, 11-36T, 12-Speed |
| Chain | SRAM Force 13-speed | Shimano M7100 |
| Crankset | SRAM Force XPLR AXS Wide Power Meter: 165mm (46cm), 170mm (51-54cm), 172.5mm (58cm), 175mm (61cm) | Shimano GRX, RX610, 46/30T |
| Bottom bracket | SRAM DUB BSA Road 68 Wide | FSA, T47 BBright for 24mm spindle |
| Front brake | SRAM Force AXS hydraulic disc | |
| Rear brake | SRAM Force AXS hydraulic disc | |
| WHEELSET | ||
| Front wheel | DT Swiss GRC 1400 DICUT, carbon, 24mm internal width, 50mm depth, 24h, tubeless ready; DT Swiss 240, centerlock, straight pull, 12x100mm, Ratchet EXP 36; DT Swiss Aero Comp | Alexrims GX7, 12x100mm, 24H, 25mm IW, 6 bolt, tubeless compatible |
| Rear wheel | DT Swiss GRC 1400 DICUT, carbon, 24mm internal width, 50mm depth, 24h, tubeless ready; DT Swiss 240, centerlock, straight pull, 12x142mm, Ratchet EXP 36; DT Swiss Aero Comp | Alexrims GX7, 12x142mm, 24H, 25mm IW, HG freehub, 6 bolt, tubeless compatible |
| Front tire | Vittoria Terreno T50, 700x40c, tubeless ready | WTB Vulpine TCS Light Fast Rolling Dual DNA 60tpi 700x45c |
| Rear tire | Vittoria Terreno T50, 700x40c, tubeless ready | WTB Vulpine TCS Light Fast Rolling Dual DNA 60tpi 700x45c |
| COCKPIT | ||
| Stem | Cannondale SystemBar R-One (integrated bar/stem), full carbon, internal routing | Cervélo ST36 Alloy |
| Handlebars | Cannondale SystemBar R-One (integrated bar/stem), full carbon, internal routing: 90x400mm (46-51cm), 100x420mm (54-56cm), 110x420mm (58cm), 120x420mm (61cm) | Zipp Service Course 70 XPLR Alloy, 31.8mm clamp, 5 degree flare, 11 degree outsweep |
| Saddle | Fizik Vento Argo X3, Kium rails, 140mm | Cervélo Saddle |
| Seatpost | Cannondale C1 Aero 27 Carbon, SmartSense compatible, 0mm offset (46cm), 15mm offset (51-61cm) | Cervélo Alloy 27.2 |
| Grips/Tape | Cannondale Bar Tape, 3.5mm | — |
Geometry and fit comparison
Looking at the delta between the 56cm SuperX and the 54cm Aspero, the fit differences are stark. The SuperX sits significantly taller with a 575mm stack compared to the Aspero’s 555mm, a 20mm gap that puts the rider in a more sustainable position for 200-mile epics. Despite being a smaller size, the Aspero has a longer reach at 388mm, resulting in a much more aggressive torso angle that favors the flexible racer who wants to hide from the wind. The handling geometry also diverges sharply. The Aspero’s 72-degree head tube angle and shorter wheelbase in the forward chip position make for a bike that turns on a dime but requires a steady hand on loose gravel. The SuperX slackens things out to 71 degrees and stretches the wheelbase to 1034mm, prioritizing high-speed composure over low-speed agility. If you have long legs and a short torso, the SuperX’s taller stack will be a relief; the Aspero is built for the long-and-low roadie profile.
| FIT GEO | SuperX | Aspero | |
|---|---|---|---|
| Stack | 515 | 505 | -10 |
| Reach | 365 | 370 | +5 |
| Top tube | 510 | 512 | +2 |
| Headtube length | 86 | 83 | -3 |
| Standover height | 746 | 681 | -65 |
| Seat tube length | 449 | — | — |
| HANDLING | SuperX | Aspero | |
|---|---|---|---|
| Headtube angle | 70 | 71 | +1 |
| Seat tube angle | 74.3 | 74.5 | +0.2 |
| BB height | 283 | — | — |
| BB drop | 77 | 78.5 | +1.5 |
| Trail | 72 | 62 | -10 |
| Offset | 55 | — | — |
| Front center | 588 | — | — |
| Wheelbase | 998 | — | — |
| Chainstay length | 422 | 425 | +3 |
Who each one is for
Cannondale SuperX
The SuperX is for the multi-discipline racer who needs one bike to win a World Cup cyclocross race in November and Unbound in June. It’s the right choice if you live in areas with 'big' gravel—the kind of chunky, unmaintained fire roads where 40mm tires feel like a liability and 50mm rubber is the minimum requirement for a good time.
Cervelo Aspero
The Aspero belongs under the rider who thinks most gravel bikes handle like slow-motion mountain bikes. It is for the crit racer who wants to maintain that high-speed, twitchy turn-in on dirt paths and likely spends half their time on the tarmac connecting different gravel sectors.
