2024 Specialized Tarmac SL8 Pro Ultegra Di2 Road Bike
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The 2024 Specialized Tarmac SL8 Pro Ultegra Di2 Road Bike 49 SATIN BLUE ONYX / BLACK is available at the following locations.
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The 2024 Specialized Tarmac SL8 Pro Ultegra Di2 Road Bike is the eighth generation of development to make the world’s fastest race bike thanks to a combination of aerodynamics, lightweight, and ride quality previously thought impossible.
Delivering speed requires creating an uncompromising combination of aerodynamics, lightweight, stiffness, and compliance. Through race simulations using real world data the Specialized Ride Science team knows the Tarmac SL8 is the fastest race bike ever made on the routes that matter. It's 16.6 seconds faster over 40km, 128 seconds faster over Milan San Remo, 20 seconds faster over the legendary Tourmalet climb.
Clean air is optimized for maximum advantage with the Tarmac’s new nose cone; the Speed Sniffer. By moving the steer tube back the leading edge of the head tube can be much sharper, delivering a much lower drag shape. Utilizing new UCI rules, the Tarmac SL8 has the narrowest, most aero seat post we’ve ever made ensuring fast moving, dirty air around the legs can flow back more cleanly. The new Tarmac SL8 is also 15% lighter than the Tarmac SL7.
The Tarmac SL8 Pro delivers exceptional performance with a full Shimano Ultegra 8100 series Di2 groupset with power meter, Roval Rapide CL II tubeless-ready wheelset, and a Roval Rapide Handlebar with an SL7 stem. You’re ready to race out of the box.
This bike is perfect for
Serious road riders and racers who want a bike that combined the best of aero performance and lightweight to create a do it all bike without compromise.
Key Features
- Latest generation Tarmac frame that's lighter and more aero than ever
- Shimano Ultegra Di2 gearing with power meter
- Roval Rapide CL II tubeless-ready wheelset with carbon rims
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 | Tarmac SL8 FACT 10r Carbon, Rider First Engineeredâ„¢, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc |
| Fork | FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc |
| Handlebars | Roval Rapide Handlebar, carbon |
| Stem | Tarmac integrated stem, 6-degree |
| Tape | Supacaz Super Sticky Kush |
| Saddle | Body Geometry Power Pro, hollow titanium rails |
| SeatPost | S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset |
| Front Brake | Shimano Ultegra Di2 R8170, hydraulic disc |
| Seat Binder | Tarmac integrated wedge |
| Rear Brake | Shimano Ultegra Di2 R8170, hydraulic disc |
| Shift Levers | Shimano Ultegra Di2 R8170, hydraulic disc |
| Front Derailleur | Shimano Ultegra Di2 R8150, braze-on |
| Rear Derailleur | Shimano Ultegra Di2 R8150, 12-speed |
| Cassette | Shimano Ultegra, 12-speed, 11-30t |
| Crankset | Shimano Ultegra R8100 with 4iiii power meter |
| Chainrings | 52/36T |
| Bottom Bracket | Shimano Threaded BSA |
| Chain | Shimano Ultegra, 12-speed |
| Front Wheel | Roval Rapide CL II, 21mm internal width carbon rim tubeless ready, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Revolution spokes, 51mm depth |
| Rear Wheel | Roval Rapide CL II, 21mm internal width carbon rim tubeless ready, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Revolution spokes, 60mm depth |
| Front Tire | S-Works Turbo, 2BR, 700x26mm |
| Rear Tire | S-Works Turbo, 2BR, 700x26mm |
| Inner Tubes | Turbo Ultralight, 60mm Front, 80mm Rear, Presta valve |
| Weight | 7.16 kg (15 lb, 12.6 oz) |
| Weight Size | 56cm |
| Colours | GLOSS PINE GREEN METALLIC / WHITE, SATIN BLUE ONYX / BLACK |
| Sizes | 44, 49, 52, 54, 56, 58, 61 |
| Brand | Specialized |
| Model Year | 2024 |
| Barcodes | 888818888740, 888818888795, 888818889075, 888818889150, 888818889167, 888818889310, 888818889525, 888818889587, 888818889631, 888818889822, 888818889884, 888818890200, 888818890231 |
| SKUs / Part Numbers | 94924-1244, 94924-1249, 94924-1252, 94924-1254, 94924-1256, 94924-1258, 94924-1261, 94924-1344, 94924-1349, 94924-1352, 94924-1354, 94924-1356, 94924-1358, 94924-1361 |
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.
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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.
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24 Month Representative Example:
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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