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"Undeniably fun to ride"
"Ultra-quiet, ultra-stealthy... like you’ve always got a hand on your back, or the feeling you get when you’re having a really, really (really) good day."
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"Genuinely an all-new animal for road riding"
"Most ebikes have a very bottom-heavy feel… the Domane+ SLR 9 doesn’t have any of these ride sensations. The fact that it feels more like a traditional road bike makes you want to push the limit in corners and on the flats... Feels like an acoustic bike on the open road, especially while cornering and riding tight roads."
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"One of the sleekest e-road options available"
"People looking at it from a slight distance, or even up close, probably wouldn’t know that this is an e-bike...rear IsoSpeed decoupler, high-end OCLV 800 carbon material, endurance geometry, internal cable routing and generous tyre clearance that pushes this bike well into gravel territory."
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"A leap forward"
"Feels smooth and natural on the road... descends confidently and feels agile… and it’s still comfortable like the regular Domane SLR."
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"Lightweight, quiet and looks just like the regular version"
"If the holy grail for the best electric road bikes, or at least the path to greater acceptance, is to appear largely indistinguishable from regular road bikes, then Trek has seemingly made up serious ground."
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Service manual
Time to get out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values and platform-specific tech instructions below.
Get it hereExperience Domane+ with Trek Travel
Electrify your global adventures on a Trek Travel trip with Domane+. Take the cycling vacation of a lifetime and get up to £420 off your next bike purchase.
Find your dream tripHow To: Care for Your E-Bike
Getting the best performance out of your e-bike doesn't stop when your ride ends. Keep watching to learn how to clean and care for your e-bike.
Watch the videoA new kind of speed dating
An elite racer at the top of her game, her partner who wants to keep pace and the electric solution that’s allowed them to experience more together.
Read moreProduct features
A compact, quiet and mighty e-system
The TQ harmonic pin ring motor is super efficient with an amazing range-to-weight-to-speed ratio. It's ultra-compact, whisper-quiet and offers an unbelievably natural-feeling assist up to 20 mph (25 km/h in Europe).
Ultra-lightweight
The Domane+ SLR is our lightest e-bike ever, thanks to our best and lightest 800 Series OCLV Carbon and a smart frame designed to shave weight.
Designed to go the distance
An integrated 360Wh battery is hidden in the downtube and offers an impressive range of around 100 kilometers in Eco mode.
Optional Range Extender
Explore farther with an optional 160Wh Range Extender that gives you an extended total range of around 145 kilometers in Eco mode. Want even more miles? The Trek Connect App lets you customize your assist to extend your range even more.
The smooth advantage
Newly refined IsoSpeed soaks up fatiguing bumps and saves weight so you can ride stronger for longer.
Real road feel
A road-specific tune, narrow Q factor and intuitive mode change buttons on the hoods make the Domane+ SLR feel and handle like a traditional bike with the added benefits of electric.
All-road versatility
This Domane+ SLR comes with 32 mm smooth tyres that roll fast on tarmac roads, but has clearance for up to 40 mm tyres to enjoy every road, from smooth tarmac to gravel.
Shimano Ultegra Di2
Ultegra Di2 R8100 is Shimano’s most inspired drivetrain, packed with innovative, game-changing features. HYPERGLIDE+ technology allows for crisp, seamless shifts both up and down the gear range, even during maximal efforts. The new Di2 shifting system introduces Shimano’s exclusive wireless integrated circuit and the move to a 12-speed cassette ensures you have all the gearing you need. Ergonomics and aerodynamics have been enhanced at every turn and you can set up the drivetrain just the way you like it via Shimano’s user-friendly E-Tube app.
Connect, customise, calculate
The Trek Central app seamlessly connects to your Domane+ for real-time range calculations, activity tracking and customised motor tuning. Plus, navigation and mapping features help you stay on course wherever you ride.
Don’t forget your pedals
This bike doesn’t come with pedals because you’ll have a better time on your new bike if you choose your own. See the pedal guide to find the best pedals for your riding style. We recommend clipless road pedals for control and efficiency.
See the guideCarbon Care Wheel Loyalty Programme
Every set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Programme. In the unlikely event that you damage your Bontrager carbon wheels within the first two years of ownership, we’ll repair or replace them for free.
Learn moreProject One
Don't settle for anyone else's bike. Create your very own with Project One, Trek's custom bike programme.
Learn moreBlendr stem
Bontrager stem technology lets you clip your gear directly to the stem for clean looks and maximum user friendliness.
Learn moreEndurance geometry
Performance. Stability. Victory. Trek endurance geometry is a triple threat, maximising control, handling and responsiveness through perfectly tuned rider weight bias.
Additional Tyre Clearance
The additional tyre clearance allows the Domane to go where no road bike has gone before. Race, ride, explore.
Flat Mount disc brakes
All-new Flat Mount disc brakes are more elegant, lighter, smaller and cleaner than traditional disc brakes, providing superior performance and stopping power under harsh conditions.
Warrantied for life
Carbon wheels can lighten your ride and improve your performance – and when you ride Bontrager, your investment is protected. All Bontrager carbon wheels are backed by a lifetime warranty for the original owner.
| Frame | 800 Series OCLV Carbon, TQ drive system, tapered head tube, rear IsoSpeed, internal routing, flat mount disc, mudguard mounts, 142x12 mm thru axle |
|---|---|
| Fork | Domane+ carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat mount disc, 12x100 mm thru axle |
| Frame fit | Endurance |
| Weight | 56 - 12.59 kg / 27.76 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). |
| *Battery |
Size:
50, 52, 54, 56, 58, 60, 62 TQ 360Wh |
|---|---|
|
Size:
50, 52, 54, 56, 58, 60, 62 Shimano BT-DN300 |
|
| *Charger |
Size:
50, 52, 54, 56, 58, 60, 62 TQ 4A charger |
|
Size:
50, 52, 54, 56, 58, 60, 62 Charging cable included |
|
| Computer | TQ LED display with Bluetooth & ANT+ connectivity |
| Motor | TQ-HPR50, 50 Nm, 250 watt maximum continuous rated power, 300 watt peak power |
| Shifter | Shimano Ultegra R8170 Di2, 12-speed |
|---|---|
| Front derailleur | Shimano Ultegra R8150 Di2, braze-on, down swing |
| Rear derailleur | Shimano Ultegra R8150 Di2, 34T max cog |
| *Crank |
Size:
50, 52 Praxis Carbon, 170 mm length |
|
Size:
54, 56 Praxis Carbon, 172.5 mm length |
|
|
Size:
58, 60, 62 Praxis Carbon, 175 mm length |
|
| Chainring | Praxis, 50/34T, 12-speed |
| Cassette | Shimano Ultegra R8101, 11-34, 12-speed |
| *Chain |
Size:
50, 52, 54, 56, 58, 60, 62 Shimano XT M8100, 12-speed |
|
Size:
50, 52, 54, 56, 58, 60, 62 Shimano Ultegra/XT M8100, 12-speed |
|
| Max. chainring size | 1x: 46T, 2x: 52/36 |
| Wheel front | Bontrager Aeolus Pro 37, OCLV Carbon, Tubeless Ready, 37 mm rim depth, 100 x 12 mm thru axle |
|---|---|
| Wheel rear | Bontrager Aeolus Pro 37, OCLV Carbon, Tubeless-Ready, 37 mm rim depth, Shimano 11-speed freehub, 142x12 mm thru axle |
| Skewer front | Bontrager Switch thru-axle, removable lever |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Tyre | Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 120 tpi, 700x32 mm |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | 40mm without mudguards, 35mm with mudguards |
| *Saddle |
Size:
50, 52 Verse Short Elite, hollow magnesium rails, 155 mm width |
|---|---|
|
Size:
50, 52 Bontrager Verse Short Elite, hollow stainless steel rails, 155 mm width |
|
|
Size:
54, 56, 58, 60, 62 Verse Short Elite, hollow magnesium rails, 145 mm width |
|
|
Size:
54, 56, 58, 60, 62 Verse Short Elite, hollow stainless steel rails, 145 mm width |
|
| *Seatpost |
Size:
50, 52, 54, 56 KVF aero carbon seat post, 20 mm offset, 280 mm length |
|
Size:
58, 60, 62 KVF aero carbon seat post, 20 mm offset, 320 mm length |
|
| *Handlebar |
Size:
50, 52 Bontrager Pro IsoCore VR-SF, 40cm |
|
Size:
54, 56 Bontrager Pro IsoCore VR-SF, 42cm |
|
|
Size:
58, 60, 62 Bontrager Pro IsoCore VR-SF, 44cm |
|
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem |
Size:
50 Trek RCS Pro, -7-degree, 80 mm length |
|
Size:
52, 54 Trek RCS Pro, -7-degree, 90 mm length |
|
|
Size:
56, 58 Trek RCS Pro, -7-degree, 100 mm length |
|
|
Size:
60, 62 Trek RCS Pro, -7-degree, 110 mm length |
|
| Brake | Shimano Ultegra hydraulic disc, BR-R8170 flat mount caliper, resin pad w/fin |
| *Brake rotor |
Size:
50, 52, 54, 56, 58, 60, 62 Shimano MT800, CentreLock, 160 mm |
|
Size:
50, 52, 54, 56, 58, 60, 62 Shimano CL800, CentreLock, 160 mm |
|
| Rotor size | Max brake rotor sizes: 180mm front, 160mm rear |