2023 Specialized Tarmac SL7 Comp Shimano 105 Di2 Road Bike

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The 2023 Specialized Tarmac SL7 Comp Shimano 105 Di2 Road Bike is designed to go fast, but it represents so much more than just aerodynamic prowess. With a light-weight, Rider-First Engineered frame, it delivers the best-possible ride characteristics, no matter the size.

While aerodynamics were paramount to the Tarmac’s development, weight was the co-pilot on this optimal race bike journey. Previously “aero bikes” always compromised in the weight department—the more drag you reduced, the more weight you gained. With the new Tarmac, the design philosophy was to keep it at, or below, the UCI weight limit out of the box, with no sacrifices to aerodynamics. And with the help of the FreeFoil Shape Library, tools like isotopic FEA analysis, and some engineering wizardry by the best engineers in the industry, Specialized have delivered a frame that weighs a mere 920 grams, without giving up a gram of aero, stiffness or ride quality.

Continuing their quest to develop the perfect race bike, Specialized used their Rider-First Engineered philosophy to ensure that the new Tarmac is the most balanced, best handling Tarmac yet—no matter the size. With an army of the world’s best test riders from our three World Tour Teams — Boels-Dolmans, Deceuninck-Quick-Step, and Bora-hansgrohe — they made changes to the Tarmac based on their thousands of kilometers on the road. Specialized have balanced the ride quality between the front and rear end, so even the longest days in the saddle continue to be comfortable—all without giving up anything to the Tarmac’s legendary handling and race-winning snappiness.

With the new Shimano 105 Di2 12-speed group to bring electronic shifting to the masses, along with some fast rolling tires in the Turbo Pro 700x26mm tyres, this new Tarmac delivers performance at a more palatable price point.

This bike is perfect for

Road riders and racers who want the benefits of an aero bike on a lightweight bike that can still dance up climbs. With 105 Di2 gearing you get the latest tech at a more affordable price.

Key Features
  • Specialized Carbon FACT 10r lightweight frame with aero profiles
  • Rider First Engineering give great handling on all frame sizes
  • The latest Shimano 105 Di2 gearing

Guide To Road Bike Gears

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.

FrameTarmac SL7 FACT 10r Carbon, Rider First Engineeredâ„¢, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
ForkFACT Carbon, 12x100mm thru-axle, flat-mount disc
HandlebarsSpecialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp
StemTarmac integrated stem, 6-degree
TapeSupacaz Super Sticky Kush
SaddleBody Geometry Power Sport, steel rails
SeatPost2021 S-Works Tarmac Carbon seat post, FACT Carbon, 20mm offset
Front BrakeShimano 105 R7170, hydraulic disc
Seat BinderTarmac integrated wedge
Rear BrakeShimano 105 R7170, hydraulic disc
Shift LeversShimano 105 R7170, 12-speed
Front DerailleurShimano 105 R7170, braze-on
CassetteSHIMANO CASSETTE SPROCKET, CS-R7101, 105, 12-SPEED,11-12-13-14-15-17-19-21-24-27-30-34T, BULK
ChainShimano SLX M7100, 12-speed w/ quick link
CranksetShimano 105, 12-speed
Bottom BracketShimano Threaded BSA BB
Front WheelDT R470 DISC
Rear WheelDT R470 DISC
Front TireTurbo Pro, 700x26
Rear TireTurbo Pro, 700x26
Inner TubesPV STANDARD BULK ROAD 700x20-28, 48mm
Colours Gloss Dune White/Metallic Obsidian, Gloss Metallic Midnight Shadow/Black, Satin Metallic Deep Lake/Purple Orchid
Sizes 44, 49, 52, 54, 56, 58, 61
Brand Specialized
Model Year 2023
Barcodes 196625116018, 196625116025, 196625116032, 196625116049, 196625116063, 196625116070, 196625116117, 196625116124, 196625116179, 196625116216, 196625116254, 196625116261, 196625116315, 196625116339, 196625116384, 196625116407, 196625116506, 196625116544, 196625116575, 196625116629, 196625116667
SKUs / Part Numbers 90623-5244, 90623-5249, 90623-5252, 90623-5254, 90623-5256, 90623-5258, 90623-5261, 90623-5344, 90623-5349, 90623-5352, 90623-5354, 90623-5356, 90623-5358, 90623-5361, 90623-5844, 90623-5849, 90623-5852, 90623-5854, 90623-5856, 90623-5858, 90623-5861

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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