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Trek to launch new Domane range

Domane SL, Domane SLR, and Domane RSL endurance road bikes are about to get a revamp but what can we expect to see?

Trek is set to launch a new (2023 model year) Domane endurance road bike range, with updated Domane SL, Domane SLR, and Domane RSL models added to the UCI’s List of Approved Models of Framesets today. The timing of the update suggests that we could see the top-level version of the brand's most popular road bike being raced by the Trek-Segafredo team in this spring’s cobbled classics.

> Is a new Specialized Allez Sprint on the way in 2022? 

The UCI’s list tells us little other than that the new bikes exist and that they can be raced. As with the rest of Trek’s range, the SLR version will be a higher spec than the SL, probably using a different grade of carbon fibre. In the current range, the Domane SLR uses Trek’s 700 Series OCLV Carbon, for example, while the Domane SL is made from 500 Series OCLV Carbon. 

2022 March UCI Trek Domane - 1

There’s no guarantee that Trek will stick with those carbon-fibre grades with this update. When it launched the most recent version of the Émonda SLR, Trek introduced OCLV 800 Series carbon fibre which it says is 30% stronger than the material it uses for OCLV 700 – meaning that less can be used to keep the weight down. That said, a super-light weight is one of the Émonda’s key characteristics whereas it’s a less important consideration for a bike like the Domane, so who knows?

All-new Émonda gets aero to become "Trek’s fastest climbing bike ever" – and it's disc brake-only 

The Emonda SL is still made from 500 Series OCLV Carbon and we’d expect the Domane SL to stick with the same material too.

As for the RSL model, that’s likely to denote a different geometry. Trek Domane RSLs have in the past been team edition bikes and there’s currently an Émonda SLR RSL H1 frameset in the range with a lower and longer geometry than the standard version, for a more aggressive ride position.

When Trek last updated the Domane range – in 2019 – it made the platform more aerodynamically efficient, added clearance for tyres up to 38mm wide, and introduced hidden storage in the down tube. 

The big new feature, though, was the addition of adjustable top tube IsoSpeed on the SLR models (an IsoSpeed decoupler between the top tube and the seat tube that adds flex at the saddle has been a feature since 2012). 

Essentially, this means that the seat tube, seatpost and saddle can move relative to the rest of the frame to absorb road vibration, the adjustment sitting under the top tube. 

Read our review of the current Trek Domane SL Disc frameset

Both the Domane SL and Domane SLR also feature front Isospeed which performs a similar function at the handlebar. The upper headset bearing sits in a rocker cup that allows the fork steerer to flex.

2022 Trek Domane SLR9 Dura Ace

This is the current Trek Domane SLR9 Dura-Ace

Trek could change the IsoSpeed design(s) again for the new Domane range but it’s getting to the point where adding more compliance would fundamentally alter the character of the bike. You can’t keep going along that route forever. 

We can see that trickling the Domane SLR's adjustable top tube IsoSpeed tech down to Domane SL level might make sense, as long as Trek has something new for the Domane SLR to differentiate the two levels. What could that be? You can’t currently adjust front IsoSpeed whereas you can tune Specialized’s Future Shock 2.0 to the rider and conditions. It’s a complete guess but maybe that’s where Trek is heading next.

2021 Trek Domane SL front IsoSpeed detail - 1

Here's the front IsoSpeed system currently used by Trek

Aside from that, we’re down to the usual possibilities: lighter, stiffer, more aero. Those are the usual characteristics that get shouted about whenever there’s a new road bike in town.

What features would you like to see in the new Trek Domane range?

Mat has been in cycling media since 1996, on titles including BikeRadar, Total Bike, Total Mountain Bike, What Mountain Bike and Mountain Biking UK, and he has been editor of 220 Triathlon and Cycling Plus. Mat has been technical editor for over a decade, testing bikes, fettling the latest kit, and trying out the most up-to-the-minute clothing. We send him off around the world to get all the news from launches and shows too. He has won his category in Ironman UK 70.3 and finished on the podium in both marathons he has run. Mat is a Cambridge graduate who did a post-grad in magazine journalism, and he is a winner of the Cycling Media Award for Specialist Online Writer. Now over 50, he's riding road and gravel bikes most days for fun and fitness rather than training for competitions.

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