2023 Trek Domane SLR 9 Gen 4 Road Bike

£12,050.00

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The Domane SLR 9 is our top ultra-light carbon endurance road bike decked out with the highest-end parts made for a fast, high-performance ride. You get our highest level OCLV Carbon frame with rear IsoSpeed, a wireless Shimano Dura-Ace Di2 electronic drivetrain for precision shifting and OCLV Carbon wheels. Plus, it has an easy-access storage compartment for stowing ride essentials, and versatile 38c tyre clearance to keep you floating on rough roads and light gravel.


  • The sleek all-new 800 Series OCLV Carbon frame saves weight and gives you more free speed thanks to updated Kammtail tube shapes
  • Shimano's cream of the crop Dura-Ace Di2 drivetrain provides the pristine and crisp shifts you need, while keeping your set-up lightweight
  • The road-smoothing rear IsoSpeed absorbs fatiguing bumps in the road to keep you comfortable through the longest miles and hardest race days
  • A sleek internal storage compartment gives you a versatile spot to stow tools and gear, while the top tube mounts let you cleanly bolt on a bag for all-day adventures


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

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.

Trek made their first bikes in 1976 in a barn in Wisconsin. Now they’re one of the biggest bike brands in the world. Trek bikes cover everything from professional-level road and mountain bike race bikes to commuters, hybrids and kids bikes. There is a strong heritage of racing at Trek and many Trek bikes have a strong race influence. They take a very scientific approach to researching bike and human performance and then make the fastest and most efficient bikes they can.

It doesn’t stop their attention and passion for cycling flows through everything they do. Since the 1990s, Trek has supported Places for Bikes. Places for Bikes is an advocacy organisation in the USA that gets more people on bikes more often! Places for Bikes ethos falls in line with the companies mission statement to:

Build only products we love. Provide incredible hospitality to our customers, and change the world by getting more people on bikes.

Frame 800 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, mudguard mounts, flat mount disc, 142x12 mm thru axleUnisex, Carbon, Size 42
Fork Domane SLR carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, carbon dropouts, 12x100 mm thru axleSize 28
Gears Shimano Dura-Ace R9250 Di2, 1 Gears
Rear Brake Shimano MT900, CentreLock, 160 mm Max brake rotor size, Disc brake with hydraulic actuation
Front Brake Shimano MT900, CentreLock, 160 mm Max brake rotor size, Disc brake with hydraulic actuation
Tyres Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 120 tpi, 700x32 c
Front Derailleur Shimano Dura-Ace R9250 Di2, braze-on, down swing
Rear Derailleur Shimano Dura-Ace R9250 Di2
Crankset Shimano Dura-Ace R9200, 50/34, 165Â mm length
Shifters Shimano Dura-Ace R9270 Di2, 12-speed // Shimano Dura-Ace R9270 Di2, 12-speed
Chain Shimano Dura-Ace/XTR M9100, 12-speed
Casette Shimano Dura-Ace R9200, 11-34, 12-speed
Handlebar Bontrager Pro IsoCore VR-SF, 38cm
Stem Bontrager RCS Pro, 7-degree, 70Â mm length
Seatpost Domane carbon seat post, KVF2 shaping, 20 mm offset, 280 mm length
Saddle Bontrager P3 Pro, short nose, 155Â mm width
Wheels Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37Â mm rim depth, 100x12Â mm thru axle Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37Â mm rim depth, Shimano 11/12 freehub, 142x12Â mm thru axle, 28' Wheel Size
Front Light
Rear Light
Kickstand
Colours CRYSTAL WHITE, DEEP SMOKE, METALLIC RED SMOKE TO BLUE SMOKE FADE
Sizes 50, 52, 54, 56, 58, 60
Brand Trek
Model Year 2023
Barcodes 601842809907, 601842809914, 601842809921, 601842809938, 601842809945, 601842809952, 601842809969, 601842809976, 601842809983, 601842809990, 601842810002, 601842810019, 601842810026, 601842810033, 601842810040, 601842810057, 601842810064, 601842810071, 601842810088, 601842810095, 601842810101, 601842810118, 601842810125, 601842810132, 601842810149, 601842810156, 601842810163, 601842810170, 601842810187, 601842810194, 601842810200, 601842810217, 601842810224, 601842810231, 601842810248, 601842810255, 601842810262, 601842810279, 601842810286, 601842810293
SKUs / Part Numbers 5281250, 5281252, 5281254, 5281256, 5281258, 5281260, 5281262, 5281264, 5281266, 5281268, 5281270, 5281272, 5281274, 5281276, 5281278, 5281280, 5281282, 5281284, 5281286, 5281288, 5281290, 5281292, 5281294, 5281296, 5281298, 5281300, 5281302, 5281305, 5281307, 5281310, 5281314, 5281316, 5281319, 5281322, 5281324, 5281326, 5281329, 5281331, 5281333, 5281335

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

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