2024 Trek Domane SL 6 Gen 4 Road Bike

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The 2024 Trek Domane SL 6 Gen 4 Road Bike is an endurance road bike that's light, aerodynamic and built to take on long, rough miles in the saddle. It comes with Shimano 105 Di2 gearing and lets you take on almost any road, from smooth tarmac to rough country lanes and light gravel.

The Domane SL is built around a lightweight 500-series OCLV Carbon frame which includes an updated version of the rear IsoSpeed tech. The IsoSpeed decoupler allows a small amount of controlled movement at the back of the bike to smooth out bumps in the road and reduce fatigue. The latest Gen 4 bike comes with a new frame which, along with the new IsoSpeed saves about 300g in weight compared to the Gen 3 model. The new frame is also more aerodynamic so you can go faster for the same effort.

The Domane SL 6 comes with a full 2x12 Shimano 105 Di2 wireless electronic drivetrain. Plus, Bontrager Paradigm Comp tubeless-ready wheels, an integrated carbon cockpit and internal storage and cable routing that add to the bike's capability and sleek look. An added top tube mounts let you secure bags for longer rides without bulky straps and bungees. It comes fitted with 700x32c tyres but has space for up to 38c tyres for extra comfort and grip on the roughest roads.

This bike is perfect for

Endurance cyclists who want a fast and light bike that can stand up to rough roads and even handle a little bit of light gravel. With an updated frame, tubeless ready wheels and the latest Di2 gearing you are getting all the latest tech on a bike you can use all year round.

Key Features

  • The sleek all-new frame saves weight and gives you more free speed thanks to updated Kammtail tube shapes
  • The Shimano 105 Di2 electronic drivetrain won't break the bank, and still provides smooth, quick shifting
  • Road-smoothing rear IsoSpeed absorbs fatiguing bumps in the road for a smoother, more comfortable ride
  • 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 - 500 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, mudguard mounts, flat mount disc, 142x12 mm thru axle
Wheel front - Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, 100x12 mm thru axle
Wheel rear - Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, Shimano 11/12-speed freehub, 142x12 thru axle
Hub front - Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width, 100x12mm thru axle
Hub rear - Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width, Shimano 11/12-speed freehub, 142x12 thru axle
Skewer rear - Bontrager Switch thru-axle, removable lever
Rim - Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width, 100x12mm thru axle
Tyre - Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 120 tpi, 700x32 c
Tyre part - Bontrager TLR sealant, 180 ml/6 oz
Rim strip - Bontrager TLR
Max tyre size - 38c without mudguards, 35c with mudguards
Shifter - Shimano 105 R7170, 12-speed
Crank - Shimano 105 R7100, 50/34
Bottom bracket - Praxis, T47 threaded, internal bearing
Cassette - Shimano 105 7100, 11-34, 12-speed
Chain - Shimano SLX M7100, 12-speed
Saddle - Size: 44, 47, 50, 52 - Bontrager P3 Comp, short nose, 155 mm width. Size: 54, 56, 58, 60, 62 - Bontrager P3 Comp, short nose, 145 mm width
Seatpost - Domane carbon seat post, KVF2 shaping, 20 mm offset
Handlebar - Bontrager Elite IsoZone VR-SF, alloy, 31.8 mm, internal Di2 routing, 75 mm reach
Handlebar tape Bontrager Supertack Perf tape
Stem - Bontrager RCS Pro, 7-degree
Brake rotor - Shimano SM-RT70, CenterLock, 160 mm
Charger - Charging cable included
Bag - Bontrager BITS Internal Frame Storage Bag
Weight - 56cm size - 8.90 kg/19.63 lb

Weight limit - This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).

Sizes 44, 47, 50, 52, 54, 56, 58, 60, 62
Brand Trek
Model Year 2023
Barcodes 601842760314, 601842760321, 601842760338, 601842760345, 601842760352, 601842760369, 601842760376, 601842760383, 601842760390, 601842760406, 601842760413, 601842760420, 601842760437, 601842760444, 601842760451, 601842760468, 601842760475, 601842760482
SKUs / Part Numbers 5274925, 5274926, 5274927, 5274928, 5274929, 5274930, 5274931, 5274932, 5274933, 5274934, 5274935, 5274936, 5274937, 5274938, 5274939, 5274940, 5274941, 5274942

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

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