2025 Specialized Aethos Comp Shimano 105 Di2 Road Bike
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The 2025 Specialized Aethos Comp Shimano 105 Di2 Road Bike 56 Gloss Dune White / Metallic Spruce is available at the following locations.
The item will be transferred to the location you choose during checkout.
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The 2025 Specialized Aethos Comp Shimano 105 Di2 Road Bike is designed simply for the love of riding. The Aethos is designed to straddle the line between perfect ride quality, extreme lightweight, and undeniable style.
The Aethos frame has been designed to handle everything from accelerating up steep pitches and descending technical descents, to all-day saddle comfort on even the longest coffee rides. By reinventing the traditional road shape found on bikes of the past, Specialized have delivered massive gains in stiffness and balance, all without affecting weight or durability. Pair that with an entirely new carbon layup and process and you have the lightest frame out there (585 grams, S-Works, size 56cm).
The Aethos Sport comes with modern Shimano 105 Di2 electronic shifting and hydraulic disc brakes paired with bomb-proof DT Swiss R470 Disc wheels, you have the perfect steed to excite you out on the road.
This bike is perfect for
Road riders who want a classic looking road bike that uses the latest tech to make one of the lightest, fastest and most fun road bikes on the market. With Di2 gearing you get clean shifts every time.
Key Features
- Super lightweight Aethos FACT 9R Carbon frame
- Shimano 105 Di2 electronic shifting and hydraulic disc brakes
- Reliable DT Swiss R470 disc wheels
If you are buying a road bike one of the big differences between models will be which gears they use. Most manufacturers will make the same bike, using the same frame but putting different gears and wheels on it. So for instance you can buy a Trek Domane AL 2 Disc with Shimano Claris gearing for £975 or get the Trek Domane AL 4 Disc with Tiagra gearing for £1625. They are fundamentally the same bike. One comes with the Shimano Tiagra gears and the other comes with Shimano Claris gears.
In most cases, the bottom of the range gears and top of the range gears will basically work in the same way. The big differences are in the quality of material used and the weight. Top of the range gears will be lighter and smoother to use.
One thing to watch out for when comparing bikes is whether the full groupset is being used. If you are buying a bike that has Shimano 105 gears on it. Shimano makes 105 brakes, gear levers, front and rear derailleurs, cranks, chainrings and bottom brackets. So basically all of the running gear on the bike. Some bike manufacturers will fit the full groupset, others will fit Shimano 105 front and rear derailleurs but use their own brakes and cranks to save a few pounds. So if you are comparing bikes be sure to check how much of the groupset the bike actually uses.
Read our Guide to Road Bike Gears
Road Bike Buying Guide
Nothing beats the feeling of effortless speed you get on a road bike. There are lots of reasons to ride a road bike, from the simple joy of it, to racing, long distance challenges, or café rides with friends. Whatever you want to do there will be road bike out there for you.
Men’s and Women’s road bikes
Nearly all manufacturers have stopped making dedicated men’s and women’s bikes. They are now all unisex. What you will see is that on smaller bikes, brands will often fit a wider saddle (generally more female friendly). On larger bikes they will often fit a narrower one (generally more male friendly).
Disc or rim brakes
It is getting increasingly hard to buy new bikes with rim brakes as the industry has almost exclusively switched to discs. The reasons for this are pretty simple. Disc brakes are much, much, more powerful than old rim brake systems so you can stop a lot more easily and safely. Disc brakes also allow much bigger tyres to be fitted which is more comfortable. Older disc brake systems did often suffer from rubbing and squeaking. While this hasn’t been completely fixed yet it is much less common on modern bikes with hydraulic brakes. Mechanical disc brakes can still take a bit of fettling to get them right so go for hydraulic if you can.
Read our full road bike buying guide
Who are Specialized?
Specialized is one of the best-known quality bike brands in the world. Started by a group of riders in 1974. A fact which has guided their decision making ever since.
" Made for riders, by riders."
They strove to make the best quality tires when quality tyres weren't around. When people wanted to ride cruisers in the dirt, they made the first production mountain bike. When roadies wanted to go faster, Specialized doubled down on carbon and built their own wind tunnel.
Bikes like the Allez, Rockhopper and Stumpjumper have developed followings and reputations of their own. Specialized has a reputation for making high-end, high-quality bikes. Specialized bikes always look great with high-quality paint and sensible sizing hel0s you get the right bike each time. If you buy a Specialized bike you can be guaranteed it will do what it is supposed to and will last.
Find our more about Specialized bikes
Price Match at Cycles uk
We understand that price is important, so we regularly price-check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.
| Frame | Aethos FACT 9R Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc |
| Fork | FACT Carbon, 12x100mm thru-axle, flat-mount disc |
| Crankset | FC-R7100, 105, 12-Speed, Holllowtech 2 |
| Chain | Shimano SLX M7100, 12-speed w/ quick link |
| Cassette | Shimano 105, 12-speed, 11-34t |
| Shift Levers | Shimano 105 Di2 7170 |
| Front Derailleur | Shimano 105 Di2 7150, braze on |
| Rear Derailleur | Shimano 105 Di2 7150 |
| Front Brake | Shimano 105 R7170, hydraulic disc |
| Rear Brake | Shimano 105 R7170, hydraulic disc |
| Front Wheel | DT R470 Disc |
| Rear Wheel | DT R470 Disc |
| Front Tyre | Turbo Pro, 700x28 |
| Rear Tyre | Turbo Pro, 700x28 |
| Handlebars | Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp |
| Saddle | Body Geometry Power Sport, steel rails |
| Seat Post | Roval Alpinist Carbon Seatpost |
| Seat Binder | Shimano 105 R7170, hydraulic disc |
| Inner Tubes | Presta Valve Standard, 48mm valves |
| Chain Rings | 50/34T |
| Bottom Bracket | Shimano Threaded BSA BB |
| Stem | Specialized Pro SL, alloy, 4-bolt |
| Tape | SUPACAZ Super Sticky Kush |
| Colours | Gloss Dune White / Metallic Spruce, Gloss Dusky Pink / Smoke |
| Sizes | 49, 52, 54, 56, 58, 61 |
| Brand | Specialized |
| Model Year | 2025 |
| Barcodes | 196625161322, 196625161469, 196625161582, 196625161667, 196625161681, 196625161759, 196625161766, 196625161780, 196625161810, 196625161872, 196625161919 |
| SKUs / Part Numbers | 97225-5049, 97225-5052, 97225-5054, 97225-5056, 97225-5058, 97225-5061, 97225-5149, 97225-5152, 97225-5154, 97225-5156, 97225-5158 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
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Price Promise
We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
Free Insurance
Our partners at Laka provides 30 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 30 days’ FREE insurance against theft and accidental damage.
Comfort Guarantee
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
How does it work?
- Add 30 days free insurance during checkout
- Complete your purchase
- Receive welcome docs by email
- Ride with peace of mind
Why Sundays?
Trust our 14 years of experience in the bicycle insurance industry. Our comprehensive, customisable, and competitively priced coverage includes easy online quotes, fast claims handling, and expert customer service.
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We offer 10 days free cover with all new bikes purchased, provided by our insurance partner VeloLife. You will be covered for the first 10 days of ownership against theft and accidental damage, so you can purchase with confidence.
Give yourself the comfort of no obligation free insurance, make sure you have peace of mind from the moment you leave the store. If anything happens to the bike in the first 10 days of ownership, know you are covered!
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Purchase Price (incl. VAT) £750
Deposit £75
Loan Amount £675
Interest/Total Charge for Credit £109.32
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Bank rate of interest 8.1% PA fixed
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