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1956558 / 54293712503130

Product Details

Specialized Diverge 4 Expert GRX Di2 Gravel Bike

The Specialized Diverge 4 Expert GRX Di2 Gravel Bike is engineered to deliver outstanding performance on race days while remaining fully equipped for long-distance adventures. Race-tuned yet adventure-ready, it combines speed, capability, and versatility in one complete package.

Specialized Frame and Design

Featuring the most responsive Diverge frame to date, the Diverge 4 Expert is designed for agility and control across all terrains. Equipped with Future Shock 3.0, it enhances comfort and stability, adapting to both rider and surface. Whether on smooth tarmac or rough gravel tracks, the frame ensures precise handling and high performance.

Diverge Capability

The bike offers generous tyre clearance for improved traction and versatility across unpredictable surfaces. It also features the largest internal storage in the gravel category, providing practical space for essentials on long rides, off-grid expeditions, or competitive events.

Specialized Diverge Performance

Blending race-ready responsiveness with adventure-ready durability, the Diverge 4 Expert GRX Di2  is built to chase horizons or rivals. Its balanced design ensures it excels in speed, control, and versatility, cementing its place as one of the most capable gravel bikes available.

Features
  • Frame: Specialized Diverge FACT 9r Carbon, SWAT Door integration, Future Shock suspension, threaded BB, internal routing, 12x142 mm thru-axle, flat-mount disc, UDH dropout
  • Fork: Future Shock 3.2 w/ Smooth Boot, FACT Carbon, 12x100 mm thru-axle, flat-mount disc
  • Front brake: Shimano GRX, hydraulic disc
  • Rear brake: Shimano GRX, hydraulic disc
  • Crankset: Shimano GRX RX820, 40T
  • Rear derailleur: Shimano GRX Di2 RX825, 1x12-speed
  • Bottom bracket: Shimano Threaded BSA BB
  • Chain: Shimano XT M8100, 12-speed w/ quick link
  • Cassette: Shimano Deore XT, 10-51T
  • Shift levers: Shimano GRX Di2 1x12-speed RX827
  • Front wheel: Roval Terra C, 25 mm internal width carbon rim, 32 mm depth, DT 370 hub, 24h, DT Swiss Comp Race spokes
  • Rear wheel: Roval Terra C, 25 mm internal width carbon rim, 32 mm depth, DT 370 hub, 24h, DT Swiss Comp Race spokes
  • Tyres: Tracer, 700x45, tan sidewall, tubeless ready (front and rear)
  • Inner tubes: Presta, 700x32-50 mm
  • Stem: Future Stem, Pro
  • Saddle: Body Geometry Power Expert
  • Seatpost: Roval Terra Carbon, 20 mm offset
  • Handlebars: Specialized Adventure Gear Hover, 103 mm drop x 70 mm reach x 12° flare
  • Seat binder: Specialized Alloy, 30.8 mm
  • Handlebar tape: Supacaz Super Sticky Kush
  • SWAT storage: SWAT 4.0 internal downtube storage
Specifications
Model
Diverge 4 Expert GRX Di2
Bottom Bracket [Maker]
Shimano
Bottom Bracket Standard
BSA
Brakes [Kind]
Hydraulic Disc
Brakes [Maker]
Shimano
Brakes [Model]
GRX
Cassette [Gearing]
10-51
Cassette [Maker]
Shimano
Cassette [Model]
Deore XT CS-M8100
Chain [Maker]
Shimano
Chain [Model]
XT M8100
Chainring [Gearing]
40
Crank [Maker]
Shimano
Crank [Model]
GRX RX820
Discipline Compatibility
Gravel
E-Bike
No
F Hub [Maker]
DT Swiss
F Hub [Model]
DT 370
Family
Diverge
Fork [Axle Diameter]
12 mm
Fork [Axle Type]
Thru-Axle
Fork [Brake Type]
Disc
Fork [Maker]
Specialized
Fork [Material]
Carbon
Fork [Model]
Future Shock 3.2
Fork [Rake]
55 mm
Fork [Travel]
20 mm
Fork [Wheel Size]
700c
Frame [Hanger Standard]
UDH
Frame [Material]
Carbon
Frame [Travel]
20 mm
Frameset
No
Gearing [Configuration]
1x
Gearing [Kind]
Conventional
Gender
Unisex
Handlebar [Drop]
103 mm
Handlebar [Flare]
12 degree
Handlebar [Kind]
Drop
Handlebar [Maker]
Specialized
Handlebar [Reach]
70 mm
Handlebar [Shape]
Drop bar
R Hub [Maker]
DT Swiss
R Hub [Model]
DT 370
RD [Maker]
Shimano
RD [Model]
GRX Di2 RX825
Saddle [Maker]
Specialized
Seatpost [Diameter]
30.8
Seatpost [Kind]
Rigid
Seatpost [Maker]
Roval
Seatpost [Material]
Carbon
Seatpost [Offset]
20 mm
Shifters [Maker]
Shimano
Shifters [Model]
GRX Di2 RX827
Shifting
Electronic
Sub Family
Diverge 4
Suspension Configuration
Hardtail
Tires [Maker]
Specialized
Tires [Width]
45 mm
Wheels [Configuration]
Front+Rear
Wheels [Kinds]
Tubeless Ready
Wheelset [Inner Width]
25 mm
Wheelset [Maker]
Roval
Wheelset [Material]
Carbon
Wheelset [Model]
Terra C
Product code
1956558 / 54293712503130
Size Guide
Specialized Diverge Carbon Size Guide 2022

All measurements in mm unless otherwise stated.

Reviews
Rating 5 out of 5
5
Value of Product
5
Quality of Product
5
Rating 5 out of 5
Trampoclaus,
Verified purchaser

At the risk of stating the obvious, you shouldn't expect there to be much (?anything) to complain about with a bike that costs this much. And there isn't. I'm not one of those people who's constantly buying a new bike and flipping it for another a few months later - when I buy a new bike it's only after a punishingly detailed period of research. I'm not saying it's healthy, it's just what I do. So, this is a fantastic gravel bike. Everything just works flawlessly and I'm a big fan of the new GRX Di2 (I've used the mechanical version on another bike). The bike is easliy light enough for me, the downtube storage is a useful bonus (and the hatch locks sturdily in place), and the wheelset is really nice and complements the tyre choice - removing the tubes and setting up tubeless was a breeze. The Future Shock is great - and this is a compliment - basically goes unnoticed whilst out riding. I live in Derbyshire, on the edge of the Peak District and ride a lot on what are technically roads, but what our American cousins would consider Gravel. Oddly, much of the off-road stuff in the same area is often smoother than the roads, but it's pretty easy to ride on trails that are mountain-bike adjacent on the Diverge. The thing you need to know about is the sizing - if you rely on the Specialized sizing guide there's a chance you'll end up a size bigger than might be ideal (this is my experience and therefore pretty subjective). I happened to know (since I have a size 56 Tarmac) that despite being 184cm/6 foot a 56 is the ideal size for me - so I went for a 56 in the Diverge. Even then, since the reach is pretty long I swapped out the stem for one 10mm shorter (because of the way the future shock fixes to the steerer this was actually simpler than with a conventional setup). Maybe the length of the GRX brake hoods exacerbates the reach a bit, but for me the stock setup on the 56 was still a bit long - hence the stem swap (and things are now perfect). Especially if you know your measurements from an existing bike or bike fit, take time to compare them with the geometry charts on Specialized's website. (Interestingly the size guide on Sigmasports.com contradicts the official Specialized guide and suggests the 56 for someone of my height). Bear in mind this is just me. You may well be different. When riding, the feel is just great. You can feel roady when you need to, but when it gets a bit chunkier the bike is nicely "chuckable" and feels nimble enough, but without being in any way unstable - in fact the longish wheelbase makes it feel pretty planted. I'm sure that the seat-post flex makes a real contribution to not feeling knackered or beaten up after a 40mile+ ride in Derbyshire's bleak midwinter, but like the Future Shock it just works unobtrusively and you're not aware of any excess flex whilst riding. Unless you're looking for an absurdly super-light race machine, the Diverge 4 is a great bike. This spec level is probably unnecessarily chichi, but it's really nice to have. I'm sure the equivalent SRAM spec is just as good, but I'm so used to maintaining Shimano equipped bikes (and am a real fan of the Hollowtech BBs and cranks) that this was my preference. It ticks a lot of boxes and I can see myself riding it a lot, for a long, long time.

Rating 5 out of 5
Anonymous,
Verified purchaser
Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

Q & A

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About Specialized

Innovate or die.

Founded in California in 1974, Specialized began with a simple promise: serious riders deserve serious gear. Half a century later, the brand still funds its own wind tunnel, builds its own carbon, and tests every bike with the world's best so that you ride your own best.

The first production mountain bike. The first cycling-specific shoes. FACT carbon, the Win Tunnel, S-Works. Specialized has a habit of building the things the rest of cycling ends up copying.