Cervelo S5vsSoloist
Can a top-tier aero weapon truly be considered an everyday race machine, or does a more versatile, middle-ground approach offer a better balance for most riders? Cervélo's S5 and Soloist represent two distinct answers to the quest for speed on the road. One is an uncompromising, wind-cheating marvel, the other a pragmatic all-rounder designed for real-world racing and riding.
Overview
The Cervélo S5 and Soloist carve out their niches in Cervélo's road lineup with clear, albeit sometimes overlapping, intentions. The S5 stands as the brand's flagship aero race bike, a purpose-built machine honed for professional racing and maximum aerodynamic efficiency. It's the bike ridden by Grand Tour winners, where every watt saved is paramount. In contrast, the Soloist positions itself as the 'just-right' answer, striking a careful balance between the extreme aero focus of the S5 and the lightweight climbing prowess of the R5. While still unequivocally a race bike, its design philosophy leans towards versatility and ease of ownership for the ambitious amateur. Think of it as a bike that's fast enough to win local crits and group rides, yet comfortable and practical enough for daily training and long weekend excursions. The S5 screams top-tier performance at a premium price, while the Soloist aims for a compelling blend of performance and approachability, often at a significantly lower cost, offering a wider range of build options to match.
Ride and handling
The Cervélo S5 delivers a ride character defined by uncompromising stiffness and efficiency, translating watts directly into forward motion. Many reviewers, like Bicycling Australia, noted an "unmistakable feeling of efficiency" that makes going fast easier. Yet, for an aero race machine, it surprisingly offers a good degree of comfort, largely credited to its generous tire clearance and wide Reserve 57|64 wheels running 700x29c Vittoria Corsa Pro TLR G2.0 tires. Velo remarked this combination "softens the ride so it's not brutal like you'd expect," making it "perfectly rideable for us mere mortals," as Granfondo put it. This isn't a plush endurance bike, though; its core remains firm, particularly at the bars and bottom bracket, and some reviewers found the cockpit stiff to the point of being vague in sprints. At slower speeds, Velo suggested it "lacks snap at slower speeds and really requires some input to come alive," with its true magic revealed at velocity. The Soloist, meanwhile, balances its performance orientation with a notable degree of compliance, earning its reputation as a versatile all-rounder. Its generous 34mm tire clearance, often specced with 28-29c Vittoria tires that plump up on wide Reserve rims, allows for lower pressures and a smoother ride. BikeRadar's Warren Rossiter was "taken aback by just how smooth the Soloist handled itself over poor tarmac surfaces," comparing its comfort to Cervélo's Caledonia endurance bike. This frame design, with dropped seatstays, ensures a good amount of rear-end compliance, making long rides more agreeable. However, the Soloist remains a race bike, and while many found it absorbed road buzz well, some, like Velo, described its front end on rough roads as "chattery," attributing this to the stock alloy handlebars and suggesting an upgrade to carbon could improve damping. When it comes to handling, the S5 is a high-speed specialist. Reviewers universally describe its steering as "very responsive and direct" (Bicycling Australia) and "sharp, precise" (Granfondo), allowing riders to "carve precise turns at speed" (Nero Cycling). This directness demands confident input, with Bicycling Australia noting it "did take a few rides to understand its handling quirks and gain the confidence to really throw it into high-speed corners." At speed, it's an "absolute bullet" in a straight line, offering exceptional stability even in crosswinds, a quality Nero Cycling called "unparalleled." For low-speed maneuvers, Canadian Cycling Magazine noted "quite a bit of toe overlap," humorously advising it's "best to just keep things fast with this bike." The Soloist's handling is consistently praised for its precision, responsiveness, and confidence-inspiring stability. Its geometry, largely borrowed from the R5, provides a "well-honed race geometry" that delivers a "near-perfect balance of agile and nimble handling with straight line and high-speed stability" (Velo). Riders can "rail descents" and feel "a lot more confidence through the corners" (In The Know Cycling). While some observed minor flex in the fork and seat stays during aggressive cornering, this typically didn't detract from overall precision. The bike feels "very manageable" and "quick to enter into corners" even at low speeds (Cyclonline), making it a versatile performer across varying road conditions and demands, without the absolute razor-sharpness of the most aggressive sprint machines.
Specifications
Comparing the top-tier S5 and the more approachable Soloist reveals stark differences in component philosophy and price. The selected S5 Red XPLR AXS 1 build sits at $14,500, nearly double the Soloist Force AXS 1 at $7,600. The S5, designed for the pro peloton, comes exclusively with top-shelf groupsets like Shimano Dura-Ace Di2 or SRAM Red AXS, almost always including a power meter as standard. Its chosen Red XPLR AXS 1x drivetrain is a bold move, and while Cervélo claims aero and weight benefits, reviewers like Bicycling's Tara Seplavy found the gear jumps "never feel quite right" on climbs, missing the optimal cadence for road use. The Soloist, aiming for broader appeal, offers a more diverse range of builds, from Shimano 105 mechanical up through Ultegra Di2 and SRAM Force AXS. Even at its mid-range, like the selected Force AXS 1 build, it includes a SRAM Force 1 AXS E1 crankset with a power meter. This offers significant value, providing race-ready electronic shifting and power measurement at a price point well below the S5. One trade-off is often the cockpit; while the S5 features a Cervélo HB19 Carbon one-piece bar/stem that's aero-optimized and stiff, the Soloist typically uses a Cervélo ST36 Alloy stem with either carbon (HB13) or alloy (AB07) handlebars. This two-piece system is easier to maintain and swap, a definite plus for home mechanics, but some reviewers found the stock alloy bars could lack comfort or absolute stiffness compared to premium carbon options. Wheelsets are another key differentiator. The S5 comes with Reserve's co-developed 57|64 Turbulent Aero wheels, featuring deep-section carbon rims and DT Swiss 180 or 240 hubs, designed as an integrated system with the frame for maximum aero gains. These wheels are top-tier, contributing significantly to the S5's speed. The Soloist's higher builds use Reserve 40/44 wheels, also employing the "Turbulent Aero Standard" but with shallower profiles for better versatility and stability in diverse conditions, and typically DT Swiss 350 hubs. Lower Soloist builds might come with Fulcrum Racing 600 DB or Vision Team i23 Disc wheels. While the Reserve 40/44s are lauded as an "excellent wheelset" and a "nicest stock wheelset you can get at this price point" by In The Know Cycling, the S5's deeper, more aggressive wheels are clearly a step above for pure aero performance. Cervélo's use of a BBright press-fit bottom bracket on the S5, while an engineering decision, is a "hassle" for maintenance, especially with the Di2 battery housed there. The Soloist, by contrast, uses a T47 threaded BBright bottom bracket, which reviewers generally welcome for simplifying maintenance, though some noted potential for creaking.
| S5 | Soloist | |
|---|---|---|
| FRAMESET | ||
| Frame | ||
| Fork | Cervélo All-Carbon, Bayonet S5 Fork | Cervélo All-Carbon, Tapered Soloist Fork |
| Rear shock | — | — |
| GROUPSET | ||
| Shift levers | Shimano Ultegra, R8170 | Shimano 105, R7120 |
| Front derailleur | Shimano Ultegra, R8150 | Shimano 105, R7100 |
| Rear derailleur | Shimano Ultegra, R8150 | Shimano 105, R7100 |
| Cassette | Shimano Ultegra, R8100, 11-34T, 12-Speed | Shimano 105, R7101, 11-34T, 12-Speed |
| Chain | Shimano M8100 | Shimano M7100 |
| Crankset | Shimano Ultegra, R8100, 52/36T | Shimano 105, R7100, 52/36T |
| Bottom bracket | FSA, BBright thread together for 24mm spindle | FSA, T47 BBright for 24mm spindle |
| Front brake | ||
| Rear brake | ||
| WHEELSET | ||
| Front wheel | Reserve 57TA, DT Swiss 240, 12x100mm, 24H, centerlock, tubeless compatible | Vision Team i23 Disc, 23mm IW, J-Bend, 12x100mm, 6 bolt, tubeless compatible |
| Rear wheel | Reserve 64TA, DT Swiss 240, 12x142mm, HG freehub 24H, centerlock, tubeless compatible | Vision Team i23 Disc, 23mm IW, J-Bend, 12x142mm, HG freehub, 6 bolt, tubeless compatible |
| Front tire | Vittoria Corsa Pro TLR G2.0 700x29c | Vittoria Corsa N.EXT TLR G2.0 700x28c |
| Rear tire | Vittoria Corsa Pro TLR G2.0 700x29c | Vittoria Corsa N.EXT TLR G2.0 700x28c |
| COCKPIT | ||
| Stem | Cervélo HB19 Carbon | Cervélo ST36 Alloy |
| Handlebars | Cervélo HB19 Carbon | Cervélo AB07 Alloy, 31.8mm clamp |
| Saddle | Selle Italia NOVUS BOOST EVO SuperFlow Ti | Cervélo Saddle |
| Seatpost | Cervélo SP34 Carbon | Cervélo SP27 Carbon |
| Grips/Tape | — | — |
Geometry and fit comparison
At the selected size 56, both the Cervélo S5 and Soloist present identical stack (565mm) and reach (392mm) figures, suggesting a similarly aggressive, race-oriented rider position. However, a deeper dive into their geometry reveals distinct personalities. The S5 features a significantly shorter headtube at 125mm compared to the Soloist's 156mm. This 31mm difference means that to achieve the same stack, the S5's front end will inherently be lower for a given headtube length, or it allows more spacers for fine-tuning without creating an overly tall position. The S5’s lower standover height (781mm vs. 798mm) further emphasizes its compact, tucked-in nature. The handling geometry showcases more pronounced differences. The S5 employs a steeper 73.5-degree head tube angle compared to the Soloist's 73.0 degrees. This, combined with a shorter fork offset (43.5mm vs. 45.5mm) results in a tighter trail figure (55.6mm vs. 57.3mm) for the S5. Its chainstay length is also shorter (405mm vs. 410mm), leading to a more compact wheelbase (982mm vs. 994mm). These numbers translate to a quicker, more agile, and responsive bike in the S5, optimized for rapid changes of direction and sharp turn-in, ideal for competitive racing scenarios like criteriums or aggressive group rides. The S5's front end is eager to react, requiring precise rider input. Conversely, the Soloist's slightly slacker head tube angle, longer fork offset, and consequently longer trail provide a more stable and composed steering feel. Its longer chainstays and wheelbase contribute to greater straight-line stability, especially at speed, and a more predictable demeanor over varied road surfaces. This geometry caters to a wider range of riders who appreciate a balanced and confident ride without the hyper-twitchiness of a pure aero machine. While still sporty, the Soloist's setup is less demanding on the rider, making it well-suited for long distances, varied terrain, and those who might not possess pro-level bike handling skills or flexibility. Essentially, the S5 leans into nimble aggression, while the Soloist prioritizes stable predictability.
| FIT GEO | S5 | Soloist | |
|---|---|---|---|
| Stack | 496 | 491 | -5 |
| Reach | 367 | 363 | -4 |
| Top tube | 520 | 516 | -4 |
| Headtube length | 64 | 86 | +22 |
| Standover height | 712 | 708 | -4 |
| Seat tube length | — | — | — |
| HANDLING | S5 | Soloist | |
|---|---|---|---|
| Headtube angle | 71 | 71 | 0 |
| Seat tube angle | 73 | 73 | 0 |
| BB height | — | — | — |
| BB drop | 74.5 | 74.5 | 0 |
| Trail | 55.6 | 57.3 | +1.7 |
| Offset | 58.5 | 57.5 | -1 |
| Front center | 579 | 574 | -5 |
| Wheelbase | 973 | 972 | -1 |
| Chainstay length | 405 | 410 | +5 |
Who each one is for
Cervelo S5
The Cervélo S5 is for the rider obsessed with unadulterated speed and aerodynamic advantage. If your weekends involve battling headwinds in time trials, launching decisive attacks in road races, or leading fast-paced group rides, the S5 is your weapon. It suits a flexible rider who naturally adopts an aggressive, low position and values a bike that converts every watt into forward motion with uncompromising stiffness. This is the bike for the racer who wants to ride what the pros ride, confident that they are on one of the fastest machines available, capable of performing on both flat sprints and even mountainous stages, as demonstrated by its WorldTour success.
Cervelo Soloist
The Cervélo Soloist is ideal for the competitive amateur or dedicated club rider who wants a fast, responsive race bike without the uncompromising nature or top-tier price tag of a pure aero weapon. If you regularly participate in local criteriums, spirited group rides, or hilly centuries but also value comfort and ease of maintenance for daily training, the Soloist is a compelling choice. This rider appreciates a bike that feels quick and efficient on varied terrain—from smooth pavement to light gravel—and benefits from confident, stable handling in corners and descents. It's for someone who wants to blend high performance with real-world practicality, offering a "just-right" balance that excels in a wide array of riding scenarios.
