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With the new Diverge 4 Comp, Specialized is vying for the favour of gravel enthusiasts in the mid-price segment. This versatile carbon bike makes a real statement thanks to its hydraulic suspension system and clever frame design.
TOUR review of the Specialized Diverge 4 Comp
The Specialized Diverge 4 Comp Carbon It’s an extremely versatile all-road and expedition bike. Admittedly, the spec is rather basic given the price. But thanks to its innovative front suspension, generous tyre clearance and excellent geometry, this Specialized excels on any terrain.
Where does the Diverge 4 Comp fit into the Specialized range?
The iconic US brand Specialised organises its gravel range very precisely according to the bike’s primary use and design: anyone looking for an uncompromising, feather-light bike for gravel racing should opt for the purist Crux. The Diverge By contrast, it is the all-rounder for adventures, long-distance rides and technical terrain. The ‘4’ appended to the name stands for the fourth generation of this model range.
Within this new generation, the additional designations defined Sport, Comp, Expert or Pro the respective price segment and spec level. The Diverge 4 Comp Carbon takes on the role of the strategically important, mid-range carbon model. It is aimed at ambitious riders who want to benefit from advanced frame technologies and electronic gear-shifting without having to spend the astronomical sums associated with the top-of-the-range models.
Comfort thanks to Future Shock 3.2
The Diverge 4 Comp Carbon is built around a lightweight, stiff frame made from FACT 9r carbon. A real highlight is the completely redesigned cockpit: the integrated Future Shock 3.2 system offers 20 mm of hydraulically damped travel directly beneath the stem, filtering out vibrations and minor jolts. Another practical feature is the SWAT 4.0 storage compartment integrated into the down tube, which has been made even larger than on the previous model and offers space for inner tubes, tools or windbreakers.
However, anyone who chooses a Specialized is, to a certain extent, also buying into the brand’s name and development expertise, which are steeped in history and tradition. If you look at value for money purely on the basis of the figures, the Diverge 4 Comp cannot compete with cheaper brands such as Cube or the well-known direct-to-consumer retailers Canyon and Rose. In the €4,500 price bracket, mail-order retailers often already offer razor-sharp, high-profile carbon wheelsets as well as top-tier electronic groupsets (such as SRAM Force AXS or Shimano GRX Di2). Specialised, on the other hand, has opted for solid but heavier DT Swiss aluminium wheels and a more robust SRAM Apex eTap AXS electronic groupset on the Comp model.
Progressive smoothness
The fourth generation of the Diverge stands out clearly from classic, race-oriented gravel bikes thanks to its progressive geometry. A flatter head angle provides noticeably greater stability on the trail. The extended reach, combined with a shorter stem, allows the centre of gravity to be optimally centred when riding off-road, giving the bike a sense of security even on steep descents. At the same time, the low bottom bracket (85 mm BB drop) ensures that you feel as though you are sitting ‘in’ the bike rather than on it.
Geometric data
| Size | 49 (XS) | 52 (p.) | 54 (M) | 56 (L) | 58 (XL) | 61 (XXL) |
| Stack | 563 mm | 578 mm | 592 mm | 610 mm | 634 mm | 659 mm |
| Reach | 365 mm | 374 mm | 387 mm | 400 mm | 412 mm | 425 mm |
| Steering angle | 70.5° | 70.5° | 71.0° | 71.0° | 71.0° | 71.0Eff° |
| Top tube length | 521 mm | 537 mm | 556 mm | 575 mm | 593 mm | 613 mm |
| Chain stays | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Seat tube length | 400 mm | 430 mm | 470 mm | 500 mm | 530 mm | 560 mm |
| Bottom bracket lowering | 85 mm | 85 mm | 85 mm | 85 mm | 85 mm | 85 mm |
| Wheelbase | 1019 mm | 1031 mm | 1041 mm | 1060 mm | 1081 mm | 1102 mm |
| Overhang height | 700 mm | 725 mm | 754 mm | 779 mm | 805 mm | 832 mm |
| Head tube length | 90 mm | 104 mm | 116 mm | 135 mm | 161 mm | 187 mm |
The facts about the Specialized Diverge 4 Comp
- Price: €4,499.00 >> at Liquid Life or Bike Components
- Frame sizes: 49, 52, 54, 56, 58, 61
- Weight: 10.2 kilos (BIKE measurement, size 58)
- Frame: FACT 9r Carbon, Future Shock 3.2, SWAT 4.0 storage compartment
- Max. tyre clearance: 50 mm
- Drive/Gearbox: SRAM Apex AXS shift lever with SRAM S-1000 Eagle AXS rear derailleur (wireless electronic, 1x12-speed, mullet setup with 10–52T cassette)
- Brakes: SRAM Apex, hydraulic disc brake
- Tyres: Specialized Tracer Pro, 45 mm
- Wheels: DT Swiss G540, aluminium
- Handlebar stem: Specialized drop bars with Future Stem stem
Class struggle: What can the cheaper Sport model do?
When you’re on a tight budget, you inevitably end up looking at the entry-level carbon model, the Diverge 4 Sport. However, the €1,000 price difference comes at a significant cost: whilst the Comp impresses with its wireless, robust SRAM Apex/S1000 AXS groupset, the Sport model features a purely mechanical Shimano GRX600 groupset. Another key difference lies in the suspension: the Comp uses the hydraulically damped and more finely adjustable Future Shock 3.2-system, whilst the Sport model features the simpler Future Shock 3.1 has to make do with fewer adjustment options. In terms of weight, there is only a marginal difference between the two models.
In practice: A superb glider for epic tours
Thanks to its progressive geometry with a long reach and a flat head angle, the Comp handles loose gravel with confidence. The Future Shock 3.2 system at the front noticeably eliminates the tiring, constant vibrations of gravel tracks, thereby easing the strain on your wrists and neck. Combined with the controlled flex of the high-quality Roval Terra Carbon seatpost, this creates a harmonious, comfortable ride. The SRAM Eagle AXS, with its huge gear range thanks to the 10–52 cassette, helps you tackle even the steepest climbs. Once you’ve got the Diverge 4 Comp up to cruising speed on the flat, you no longer notice the slightly heavier aluminium wheels compared to significantly lighter bikes: Like a high-speed train, the Diverge then glides unwaveringly over tarmac and fine gravel, inviting you to set off on hours of exploration.
Josh Welz
Editor-in-Chief