Ibis Hakka MXvsSpecialized Crux
Dropping into a rutted descent after a punchy climb, the Ibis Hakka MX would feel stiff and direct underfoot, urging you to maintain speed, potentially transmitting every jolt straight to your hands. The Specialized Crux, with its celebrated lightness and nimble handling, would instead dance over the terrain, inviting quick line changes and playful maneuvers, though it might ask for more active input to hold a precise line. These bikes share cyclocross DNA but diverge on their gravel personality: one a versatile all-rounder, the other a purebred speed demon.

Overview
Both the Ibis Hakka MX (V1) and the Specialized Crux (2022-) emerge from strong cyclocross heritages, yet each carves a distinct niche in the expansive gravel market. The Hakka MX is frequently called a "Swiss Army knife" or "all-road bike," a testament to its versatility across road, cyclocross, gravel, and even light bikepacking. Its carbon frame is commendably light at a claimed 1000g, and it offers generous tire clearance up to 700x40c or 27.5x2.1", allowing riders to fine-tune its character with wheel and tire choices. The Specialized Crux, in contrast, leans hard into its identity as an ultralight gravel and cyclocross racer. Its S-Works frame is astonishingly light at just 725g, a figure that puts many road bikes to shame. While equally adept on pavement, its design intent is unashamedly about speed and agility on dirt. The Crux offers slightly more tire clearance, accommodating up to 700x47c or 650x2.1" rubber, providing ample options for aggressive racing and fast-paced mixed-surface riding. Both bikes feature rider-friendly threaded bottom brackets, a welcome detail in an era of press-fit complexities, underscoring a shared commitment to practicality despite their high-performance aspirations.
Ride and handling
The Ibis Hakka MX delivers a ride character consistently described as fast, responsive, and stiff, a direct inheritance from its cyclocross roots. Reviewers frequently laud its "direct power transfer" and minimal "torsional flex," which makes it accelerate with an "urgency not unlike my road bike." This stiffness translates into a bike that begs to be ridden hard and fast, feeling like an "absolute rocketship" on descents. However, this same stiffness can also be a double-edged sword for comfort; many note the frame does "little to absorb vibration and road chatter," making it feel "a little harsh" over rough terrain. This demands careful tire choice, with 650b x 2.1" setups highly recommended for providing "heaps more traction and dampening" and transforming the ride into a "smoother, more forgiving" experience on challenging surfaces. In contrast, the Specialized Crux earns accolades for its "lively," "snappy," and "playful" ride, consistently feeling "alive" and encouraging dynamic rider input. Its ultralight construction makes it accelerate instantly and climb "like a mountain goat." The Crux is praised for its "razor-sharp handling" and ability to turn "on a dime," making it exceptionally nimble on technical sections and tight corners. While it provides good vibration damping, especially at the rear with its Roval Alpinist seatpost, some reviewers found the front end could be "harsh on bigger hits," even reporting "exaggerated vibrations" through the thin fork on very rough ground. Like the Hakka, optimizing tire pressure and volume is crucial for comfort on this race-focused machine. For handling and stability, the Hakka MX is often seen as striking a balanced blend of agility and composure. Its geometry, though cyclocross-derived, offers quick steering while maintaining good stability on loose surfaces. Reviewers found it "nimble on technical trails" and confident in holding a line, even contrasting it favorably against other bikes that felt "twitchier" on descents. The Crux, with its more aggressive, road-race inspired geometry, aims for maximum responsiveness. It feels incredibly precise at speed, with reviewers noting it becomes "more precise and planted the faster it goes." However, this darty nature can also make it feel "almost a hair nervous" in comparison to more composed bikes in highly unsettled, high-speed scenarios, demanding a firm, attentive hand. Both bikes thrive on fast, mixed-surface riding, but the Hakka offers a slightly more cushioned, versatile ride when configured with larger 650b tires, while the Crux pushes the envelope of raw, unfiltered speed and agility.
Specifications
Componentry on the Ibis Hakka MX Rival AXS build and the Specialized Crux S-Works reveals their respective market positions, though both maintain a commitment to solid foundational standards. The Hakka MX Rival AXS build uses a SRAM Rival AXS shifter paired with a mountain-bike-derived SRAM GX AXS rear derailleur, allowing for an impressively wide 10-52T cassette. This grants a massive gear range well-suited for diverse terrain and bikepacking. The inclusion of a Cane Creek eeSilk Compliance Stem on the selected Hakka build is a standout feature, adding a significant layer of front-end comfort often absent on rigid gravel bikes. Standard wheels are Stan's Crest Alloy, with carbon as an upgrade path. Specialized’s S-Works Crux, as expected, rolls out with top-tier SRAM RED XPLR, including a Quarq power meter and a 10-46T cassette. Its Roval Terra CLX II carbon wheels are a lightweight, high-performance option out of the box, though lower Crux builds may feature Roval Terra C carbon or DT Swiss G540 alloy wheels. A critical distinction for drivetrain options is the Crux's inability to run a 2x mechanical groupset due to cable routing limitations, although electronic 2x setups are compatible. The Hakka MX, while leaning towards 1x, does support 2x for wireless or Di2 systems. Both bikes wisely employ threaded bottom brackets (SRAM BB T47 for Ibis, SRAM DUB BSA for Specialized), a shared positive for reliability and ease of maintenance over many press-fit designs. While the Hakka MX's Rival AXS build is functional, the Crux S-Works commands its premium with an ultralight, race-ready spec, emphasizing direct performance.
| MX | Crux | |
|---|---|---|
| FRAMESET | ||
| Frame | null | Specialized E5 Premium Aluminum Disc frame with D'Aluisio Smartweld Technology, hydroformed aluminum tubing, tapered head tube, threaded BB, UDH dropout |
| Fork | Ibis Gravel Disc Fork, 700c, 100x12 | S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc |
| Rear shock | — | — |
| GROUPSET | ||
| Shift levers | SRAM Apex | SRAM Apex |
| Front derailleur | — | — |
| Rear derailleur | SRAM Apex | SRAM Apex XPLR, mechanical, 12-speed |
| Cassette | SRAM XG 1275, 12-speed, 10-52T | SRAM APEX XPLR, 12sp, 11-44T |
| Chain | SRAM NX Eagle | SRAM Apex D1 |
| Crankset | SRAM Apex, 42t Alloy Ring | SRAM Apex DUB Wide, 40t |
| Bottom bracket | SRAM BB T47 Road Wide | SRAM DUB BSA 68 Wide |
| Front brake | SRAM Apex | SRAM Apex, Hydraulic Disc |
| Rear brake | SRAM Apex | SRAM Apex, Hydraulic Disc |
| WHEELSET | ||
| Front wheel | Stan's Crest Alloy, Ibis Hubs (700C) | DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples |
| Rear wheel | Stan's Crest Alloy, Ibis Hubs (700C) | DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples |
| Front tire | Maxxis Rambler 700c x 40mm, EXO | Pathfinder 700x40, Tubeless Ready |
| Rear tire | Maxxis Rambler 700c x 40mm, EXO | Pathfinder 700x40, Tubeless Ready |
| COCKPIT | ||
| Stem | Ibis 31.8mm Road; 49: 70mm, 53: 80mm, 55: 90mm, 58/61: 100mm | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| Handlebars | Ibis Alloy Flared Bar | Specialized Adventure Gear, 118.9mm drop x 70mm reach x 12º flare |
| Saddle | WTB Silverado Fusion CrMo 142 | Body Geometry Power Sport, steel rails |
| Seatpost | Ibis Alloy | Alloy, 2-bolt Clamp, 12mm offset, 27.2mm, anti-corrosion hardware |
| Grips/Tape | Black EVA Bar Tape | Supacaz Super Sticky Kush (bar tape) |
Geometry and fit comparison
Comparing the selected sizes, the Ibis Hakka MX (55cm) presents a notably taller and slightly shorter fit than the Specialized Crux (54cm). The Hakka's stack of 580mm is a significant 20mm higher than the Crux's 560mm, while its reach of 382mm is 6mm shorter than the Crux's 388mm. This creates a comparatively more upright and relaxed riding position on the Hakka, potentially suiting riders seeking endurance comfort or those with less flexibility. The Crux, by contrast, positions the rider in a longer and lower, more aggressive stance, which aligns with its race-oriented intentions and appeals to those accustomed to road-race fits. In terms of handling geometry, both bikes carry their cyclocross DNA, but with distinct leanings. The Hakka MX has a slightly steeper head tube angle at 72.0 degrees compared to the Crux's 71.5 degrees, yet its chainstays are 5mm longer (430mm vs. 425mm). This combination on the Hakka tends to offer quick steering input balanced with solid stability on varied surfaces. The Crux, with its slightly slacker head tube angle, shorter chainstays, and a 2mm lower bottom bracket drop (72mm vs. 70mm), aims for an incredibly nimble and agile feel. Its geometry is often noted for being more akin to a road race bike, delivering quick transitions and an immediate response to rider input, though some reviewers found this could lead to a touch of 'nervousness' at very high speeds. The tighter rear end of the Crux especially makes it feel darty and responsive. For rider profiles, the Hakka MX's geometry suits those who appreciate a versatile, stable platform for long days across mixed terrain, where a slightly more upright position helps mitigate fatigue. Its head tube length is 25mm longer than the Crux (155mm vs. 130mm), further contributing to a higher front end. The Crux, with its aggressive and race-focused angles, is for riders who prioritize outright speed, snappy acceleration, and razor-sharp handling on demanding gravel courses or technical cyclocross circuits. It suits a rider comfortable with a stretched, powerful riding position, optimized for putting down watts and navigating quickly, rather than leisurely cruising or heavy touring.
| FIT GEO | MX | Crux | |
|---|---|---|---|
| Stack | 532 | 530 | -2 |
| Reach | 370 | 375 | +5 |
| Top tube | 517 | 512 | -5 |
| Headtube length | 110 | 100 | -10 |
| Standover height | 729 | 749 | +20 |
| Seat tube length | 455 | 466 | +11 |
| HANDLING | MX | Crux | |
|---|---|---|---|
| Headtube angle | 70.5 | 70.5 | 0 |
| Seat tube angle | 74.5 | 75.5 | +1 |
| BB height | — | 284 | — |
| BB drop | 70 | 74 | +4 |
| Trail | — | 74 | — |
| Offset | — | 50 | — |
| Front center | — | 594 | — |
| Wheelbase | 1008 | 1008 | 0 |
| Chainstay length | 430 | 425 | -5 |
Who each one is for
Ibis Hakka MX
The Ibis Hakka MX is an excellent choice for the rider who values versatility and a classic ride feel above all else. If you're someone who regularly mixes up fast road rides with exploratory gravel jaunts and occasional light bikepacking trips, this bike's "Swiss Army knife" appeal will resonate deeply. It's for the rider who appreciates a stiff, efficient carbon frame for climbing and sprinting, but also wants the flexibility to transform the bike's comfort by swapping to high-volume 650b wheels for rougher singletrack or long-haul adventures. This bike is for the individual who sees their gravel machine as their go-to "one bike" for nearly every drop-bar scenario, from group rides to gravel races, embracing its ability to adapt and perform reliably.
Specialized Crux
The Specialized Crux is the clear choice for the performance-oriented rider who demands an ultralight, agile, and blisteringly fast gravel or cyclocross machine. If your weekend plans involve toeing the line at a gravel race, tackling aggressive climbs, or pushing the limits on technical singletrack, the Crux's race-bred DNA and featherlight frame will deliver. It's also ideal for the roadie looking to venture off-pavement without sacrificing speed or responsive handling, as its road-like geometry feels remarkably familiar. This bike is for the rider who wants a weapon for high-power efforts and does not require extensive mounting points for bikepacking, preferring a stripped-down, "go-fast" experience.

