The Trek Lexa SL is a road/triathlon bike with an aluminum 100 Series Alpha frame. The frame comes in colors like Blue  Ink, Crystal  White and Matte  Trek  Black.

Originally released in 2011, there are 7 versions of this bike. Due to the frame materials and other factors, we estimate that this bike weighs around 25 pounds. The Lexa SL is fully rigid.

The Lexa SL comes with Shimano Tiagra components, including a Bontrager stem, an integrated, semi-cartridge semi headset and Shimano Tiagra shifters.

The Lexa SL has 10,9 speeds and has Shimano Tiagra rear cogs and a Shimano Tiagra derailleur.

It comes with Bontrager tires (622mm x NaN) and aluminum Bontrager rims.

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Trek Lexa SLX: First ride review

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Trek Lexa SLX

Trek Lexa SLX

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Trek Lexa SLX

Words Derri Dunn | Photos Rupert Fowler

Last year, Trek’s ground-breaking Domane race bike made tidal waves on the pro scene. With its IsoSpeed section set in a carbon frame, the back end was decoupled, making for a much more comfortable and effective endurance bike for racing on tough terrain, like the cobbled Classics of Belgium.

We just love trickle-down technology here at Cycling Active, so we were pretty delighted to spot aluminium Domanes at Trek’s new product launch for 2013, starting at just £1,000. But something’s missing — there are women-specific carbon Domanes, but has Trek forgotten the girls with shallower pockets and aluminium aspirations?

Thankfully not. It turns out there is a women’s aluminium Domane and here it is — it’s called the Lexa SLX. The reason for this Domane travelling incognito is that Trek wants to give its women’s bikes their own distinct identity, rather than just making smaller versions of the unisex models in different colours. Accordingly, the Lexa SLX does not have an identically specced Domane stablemate, though it’s very similar to the Domane 2.3, but without the carbon seatpost and costing £50 less, as you’d expect.

Classy, cool and comfy

Domane technology apart, I’ve long been a fan of Trek’s take on women-specific design. It’s adept at tailoring all the right bits — bar, saddle and of course frame size — without doing anything too peculiar to the geometry of the bike in the process. The extremely compact Bontrager VR-S handlebar is probably my all-time favourite women’s bar and fantastic if your hands are small and your finger reach short. I also like the flat, dense compound of the women’s saddle, with nothing too complicated or fussy going on, but it does look and feel a little low-rent compared to the overall finish of the rest of the bike.

Trek Lexa SLX

But that’s mostly because the overall finish of the rest of the Lexa SLX is really rather swish. Black and gold makes quite a statement. Metallic bar tape isn’t for shrinking violets, and in this case it walks a fine line between flash and gaudy, happily managing to just stay the right side of that line, thanks to understated frame graphics.

And of course there’s nothing wrong with a bike looking a bit brazen, as long as there’s plenty of go to back up the show, and the ride of the Lexa SLX was no disappointment. I can’t say I noticed any groundbreaking new sensation from the IsoSpeed area, but this is probably part of its strength — it is, as Trek promises, very comfortable. It would be disconcerting if ‘decoupling’ the seat tube from the rest of the bike led to any great movement in the frame, but power transfer still felt plenty direct.

Overall, the frame feel is nimble and compliant, but there’s no sensation of harshness at the fork or saddle end. You could ride all day over potholed urban roads and not feel too jangled.

For all its brooding good looks and rather fancy technology, the Lexa SLX has still been positioned firmly within Trek’s ‘endurance’ — read ‘sportive’ — category and accordingly the geometry sports a relatively high front end, though if you’re a nervy descender like me simply removing a couple of spacers from under the stem positions more of your weight forward for better stability when the road points down.

Practical performer

Though it’s pricy and special enough to be a ‘best’ bike, the Lexa SLX actually makes a pretty nifty fast commute bike. Its angles are relaxed enough to allow you to find a sensible posture for riding in traffic, and it has removable fender mounts on the fork — so it can be your ride to work bike but still look the part when you’re leaving them for dust at sportives and club rides.

In short, it’s a really good inbetweener; a good bridging bike for women who want a bit more than just a bargain basement heavy winter hack, but still don’t want to hand over thousands for a precious carbon super-racer. It’s a little bit special, but still utterly practical when it comes to all the real riding you could throw at it.

Of course, unless you’re making some kind of statement about your Olympian credentials, you might want to swap that glitzy bar tape for something more demure so it looks the part if the Monday to Friday rat run is your only racetrack.

Specification

Trek Lexa SLX

£1,150

Frame 200 Series Alpha aluminium

Fork Trek IsoSpeed carbon

Groupset Shimano 105 shifters, front and rear; Shimano Tiagra 50/34 chainset and 12-30t cassette

Wheels Bontrager aluminium

Tyres Bontrager R1 700 x 25c

Saddle Bontrager Affinity 1 WSD

Stem Bontrager Race Lite

Seatpost Bontrager Race Lite

Handlebar Bontrager VR-S

Sizes 47, 50, 52, 54, 56cm

Size tested 50cm

Weight 9kg (19.6lb)

Alternative

Trek Domane 2.0 £1,000

If you have the misfortune of being male or only having £1,000 to spend, fear not, Trek’s unisex Domane 2.0 enjoys all the same lovely IsoSpeed frame technology as our Lexa SLX. To trim the fat to the magic one-grand mark it sports a Shimano Tiagra triple groupset. With sizes going down to 50cm, all but the shortest women will also be able to enjoy the Domane 2.0, though of course you won’t get the benefit of the women-specific Bontrager bars and saddle.

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Nigel Wynn worked as associate editor on CyclingWeekly.com, he worked almost single-handedly on the Cycling Weekly website in its early days. His passion for cycling, his writing and his creativity, as well as his hard work and dedication, were the original driving force behind the website’s success. Without him, CyclingWeekly.com would certainly not exist on the size and scale that it enjoys today. Nigel sadly passed away , following a brave battle with a cancer-related illness, in 2018. He was a highly valued colleague, and more importantly, an exceptional person to work with - his presence is sorely missed. 

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  1. Trek Lexa SL Triple 2014

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  2. Trek 2012 Lexa SL (Triple)

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  3. Trek Lexa SL Triple 2014 Women's Road Bike Like new.

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  4. 2012 Trek Lexa SL (Triple)

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  6. Trek Lexa SL Triple Women's Road Bike

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    Lexa SL (Triple) Model 14030031013. Retailer prices may vary depending on location and delivery method. The final price will be shown in your cart. Compare. Color / Crystal White/Washed Denim. Select a color. Size.

  2. 2012 Trek Lexa SL (Triple)

    2012 Trek. Lexa SL (Triple) An aluminum frame race bike with mid-range components and rim brakes. Compare the full range. Frame: Aluminum: Suspension: Rigid: Fork: Carbon: Wheels: 700c Aluminum: Drivetrain: 3 × 10: Groupset: Tiagra, FSA: ... Trek Lexa SLX women-specific road bike. Sep 2013.

  3. 2014 Trek Lexa SL Triple

    Lexa SL Triple. 40 mph. Similar Bikes. Highest gear (descending) Add custom gearing. Reviews. ... Read Review. Trek Lexa SLX: First ride. Dec 2012 · Nigel Wynn. Trek's new top-level women's sportive bike is more than just a higher spec Lexa — despite the name it's actually a Domane in disguise. Read Review. Specs.

  4. Trek Lexa SL (2012) Specs

    View product specifications: Trek Lexa SL 2012 - View Reviews, Specifications, Prices, Comparisons and Local Bike Shops. ... Crank: triple Three front chainrings for a wider gearing range. Fork type: Bontrager Approved, carbon legs: Frame type: 100 Series Alpha Aluminum: Front derailleur: Shimano Tiagra, 34.9mm clamp: Headset: 1-1/8" semi ...

  5. Lexa SL

    Triple. WSD. The Trek Lexa SL is a road/triathlon bike with an aluminum 100 Series Alpha frame. The frame comes in colors like Blue Ink, Crystal White and Matte Trek Black. Originally released in 2011, there are 7 versions of this bike. Due to the frame materials and other factors, we estimate that this bike weighs around 25 pounds.

  6. Trek Lexa SL (2013) Specs

    View product specifications: Trek Lexa SL 2013 - View Reviews, Specifications, Prices, Comparisons and Local Bike Shops. ... FSA Vero, 50/34 (compact) or FSA Vero, 50/39/30 (triple) Features: 200 Series Alpha Aluminum: Trek's premium alloy, formed into sophisticated tube shapes for maximum strength and minimum weight. IsoSpeed Decoupler: At the ...

  7. Trek Lexa SLX: First ride review

    Trek Lexa SLX. £1,150. Frame 200 Series Alpha aluminium. ... To trim the fat to the magic one-grand mark it sports a Shimano Tiagra triple groupset. With sizes going down to 50cm, all but the ...

  8. Trek Lexa SL 2014

    The Trek Lexa SL is an affordable road bike that is suited perfectly for long-duration rides. Engineered specifically for women, this bike features endurance geometry, a lightweight aluminum frame and carbon fork. Shimano's reliable Tiagra components make up the drivetrain, and parts from FSA and Bontrager finish the bike off.

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    Find out how much a 2012 Trek Lexa SLX Triple bicycle is worth. Our Value Guide is constantly growing with pricing information and bicycle specs daily.

  10. Trek Lexa SL (Triple) 2012

    When it comes to wheels, the Lexa SL (Triple) bike is equipped with the 700c aluminum model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don't perform so well when passing over obstacles.

  11. Lexa SL

    Seatpost Bontrager Alloy, 2-bolt head, 27.2mm, 8mm offset. Handlebar Bontrager Race VR-S, 31.8mm. Grips Bontrager gel cork tape

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    Subject: Trek Lexa SL bike: compact or triple crank? I am a beginner road biker. I have completed two sprint tris and am doing my first olympic in a month. I have been training on my old mountain bike and on sat did a sprint tri on a borrowed road bike that was way too small. I am definitely ready to get my own road bike.

  14. 2013 Trek Lexa SL (Triple)

    2013 Trek. Lexa SL (Triple) An aluminum frame race bike with mid-range components and rim brakes. Compare the full range. Frame: Aluminum: Suspension: Rigid: Fork: Carbon: Wheels: 700c Aluminum: Drivetrain: 3 × 10: Groupset: Tiagra, FSA: ... Trek Lexa SLX women-specific road bike.

  15. Trek Lexa SLX (2012) Specs

    Specific. Brakes. Alloy dual-pivot brakes w/Shimano 105 STI adjustable-reach levers. Cassette. Shimano 105 12-30, 10 speed. Crankset. Shimano R553, 50/39/30 (triple) - R565, 50/34 (compact) Features. 200 Series Alpha Aluminum Trek's premium alloy, formed into sophisticated tube shapes for maximum strength and minimum weight.

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  18. 2012 Trek Lexa SL (Triple)

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  21. 2012 Trek Lexa SLX (Triple)

    2012 Trek. Lexa SLX (Triple) An aluminum frame race bike with upper mid-range components and rim brakes. Compare the full range. Frame: Aluminum: Suspension: Rigid: Fork: Carbon: Wheels: 700c Aluminum: Drivetrain: 3 × 10: Groupset: ... Trek Lexa SLX women-specific road bike.

  22. Lexa SL (Compact)

    To find related parts please select from all available categories. Brake Lee Chi Dual Pivot, RC-481 Short Reach, Black. Brake Lee Chi Dual Pivot, RC-481 Standard Reach, Black. Derailleur Hanger Trek, Legacy Road One-Bolt, Silver. Discover your next great ride with Lexa SL (Compact). See the bike and visit your local Trek retailer.