Highlights based on this e-bike’s specs, comparisons and practical strengths.
100
Excellent power-to-weight ratio
Power-to-weight is high compared with similar e-bikes.
Power-to-weight is high compared with similar e-bikes.
Motor power is above average for this type of e-bike.
The bike is lighter than many similar e-bikes, which helps the power-to-weight balance.
The calculated power-to-weight score is 25.53.
100
Excellent battery efficiency
The bike appears to get strong range from its battery size.
The bike appears to get strong range from its battery size.
The calculated range per battery unit is 166.67.
Range is weak despite a larger battery, which suggests lower battery efficiency.
91
Excellent rider information and controls
The included display or control unit should give useful ride information and control.
The included display or control unit should give useful ride information and control.
Multiple ride modes should give the rider more control over assistance levels.
Torque sensing should improve control by responding to rider effort.
With stronger motor output, clear controls and ride modes become more useful.
82
Good hill climbing support
Torque is average for this type of e-bike.
Torque is average for this type of e-bike.
Power-to-weight is high compared with similar e-bikes.
Motor power is above average for this type of e-bike.
The torque-sensing assistance should help the bike respond more naturally on climbs.
The bike has 10 or more gears, which should help on varied climbs.
The bike is lighter than many similar e-bikes, which should help on climbs.
The calculated power-to-weight score is 25.53.
82
Good smooth power delivery
Torque-sensing assistance should make power delivery feel smoother and more natural.
Torque-sensing assistance should make power delivery feel smoother and more natural.
Multiple ride modes should help riders choose a smoother level of assistance.
The included display or control unit should make it easier to manage assistance levels.
Motor power is above average, so smoothness will depend more on the sensor and controller setup.
76
Good braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
69
Mixed acceleration support
Motor power is above average for this type of e-bike.
Motor power is above average for this type of e-bike.
Torque is average for this type of e-bike.
Power-to-weight is high compared with similar e-bikes.
Torque-sensing assistance should make the motor response feel more natural.
The bike is lighter than many similar e-bikes, which should help responsiveness.
The calculated power-to-weight score is 25.53.
61
Mixed range-to-weight balance
Range is below average, so the range-to-weight balance is more limited.
Range is below average, so the range-to-weight balance is more limited.
The bike is lighter than average for its type.
Battery efficiency appears strong, which supports a better range-to-weight balance.
Range is limited despite a larger battery, which weakens the efficiency picture.
The calculated range per kg is 5.11.
The calculated range per battery unit is 166.67.
This bike type benefits from a good balance of range and manageable weight.
56
Average battery capacity
Battery capacity is above average for this type of e-bike.
Battery capacity is above average for this type of e-bike.
The listed battery capacity is modest but still usable for shorter rides.
55
Mixed commuting practicality
The road bike format can work well for faster, lighter commutes.
The road bike format can work well for faster, lighter commutes.
Range is below average, but may still be usable for shorter commutes.
Charging time is average or better, which is useful for regular commuting.
Built-in lights are not listed, so commuting equipment may need adding.
A non-removable battery can make charging less flexible.
The display or control unit should make it easier to monitor assist level and battery use.
Hydraulic disc brakes are a strong practical feature for daily riding.
Payload capacity is average for this type of e-bike.
The bike is lighter than many similar e-bikes, which helps with daily handling.
Overview
The Trek Domane+ SLR 9 (2025) is a high-performance road e-bike built for speed and efficiency on paved roads. Its powerful motor and efficient battery provide strong support for climbing and long rides, while the smooth power delivery ensures a natural riding feel. The lightweight carbon frame and hydraulic disc brakes contribute to a responsive and confident ride, though the non-removable battery means you'll need to keep the whole bike near a charger. While it excels in performance, its relatively short range and higher price point may require more planning for longer trips or budget considerations.
Best For
✓
This road e-bike should suit riders who prioritize a natural riding experience with smooth and responsive assistance, especially on paved roads. Its strong power-to-weight ratio and efficient battery use make it a good fit for riders looking for a lightweight, high-performance e-bike that maintains traditional road feel. The confident braking and torque-sensing motor also appeal to those who value control and precision during rides. Riders who want a reliable e-bike for longer distances or hilly routes may find this model particularly appealing.
Who Should Avoid It
×
Riders who prioritize maximum range or need to charge the bike frequently without access to a charging point may want to compare alternatives. The bike’s range is below average for similar e-bikes, and the non-removable battery may limit charging flexibility. While the bike offers a strong power-to-weight ratio and efficient battery use, those needing longer rides or more convenient charging options could find stronger options within the same category.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
29
More maintenance likely
Poor
Chain drive is common and serviceable, but needs more cleaning and lubrication than a belt drive.
Chain drive is common and serviceable, but needs more cleaning and lubrication than a belt drive.
Hydraulic disc brakes are a strong everyday setup, though they may need occasional specialist servicing.
Tyres are listed, but there is no clear puncture-protection signal.
The carbon frame material can be lightweight, though damage checks may need more care.
A higher number of gears can add drivetrain complexity.
17
Limited storage practicality
Poor
The frame does not appear to fold, so storage will depend more on size and weight.
The frame does not appear to fold, so storage will depend more on size and weight.
The bike is lighter than many similar e-bikes, which should make storage and moving it around easier.
52
Mixed liftability
Mixed
The bike is lighter than average for its type, which should help day-to-day handling.
The bike is lighter than average for its type, which should help day-to-day handling.
The listed weight is 11.75 kg.
The carbon frame material should help keep weight down.
The road bike format is usually more manageable to lift than bulkier e-bike types.
6
No removable battery advantage
Poor
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
The larger battery capacity makes removable charging more useful for day-to-day convenience.
23
Very slow charging speed
Poor
Charging time is average for this type of e-bike.
Charging time is average for this type of e-bike.
The quoted charging time is long in absolute terms.
100
Excellent battery efficiency
Excellent
The bike appears to get strong range from its battery size.
The bike appears to get strong range from its battery size.
The calculated range per battery unit is 166.67.
Range is weak despite a larger battery, which suggests lower battery efficiency.
51
Decent everyday equipment
Mixed
The included display or control unit adds useful ride information for daily use.
The included display or control unit adds useful ride information for daily use.
Multiple ride modes should help adapt the bike to different everyday journeys.
Hydraulic disc brakes are useful equipment for confident daily riding.
Payload capacity is average or better, which helps with bags, shopping or daily kit.
21
Limited bad-weather practicality
Poor
Hydraulic disc brakes should provide better control and confidence in wet conditions.
Hydraulic disc brakes should provide better control and confidence in wet conditions.
Built-in lights are not listed, so bad-weather visibility may depend on extra accessories.
The road bike format may be less practical in poor weather, depending on tyres and equipment.
The wheel size should be workable for regular poor-weather riding, depending on tyre choice.
Frame material is listed as carbon fiber, which gives useful durability and maintenance context.
19
Limited family utility practicality
Poor
The road bike format is usually less suited to family or utility tasks.
The road bike format is usually less suited to family or utility tasks.
Payload capacity is average for this type of e-bike.
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is 125 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
Battery capacity is strong compared with similar e-bikes, supporting utility trips.
Where to buy
Priced at £11,750, the Trek Domane+ SLR 9 (2025) sits towards the higher end of the road e-bike market for 2025 models. Its premium positioning reflects advanced components and performance, though buyers may want to weigh this against more affordable alternatives in the same category.
Compared with similar road bike e-bikes on Bikkerr, this model sits £5,811.34 above average
Lowest price now: £10,579.00Best price ever seen:
£10,579.00Price drop detectedPrices update every ~24 hours
The Trek Domane+ SLR 9 (2025) is listed at £11,750, which sits at the higher end of the price spectrum when compared with similar road e-bikes from the same year. It offers a strong battery capacity and a power-to-weight ratio that feels competitive for a road-focused e-bike, while the hydraulic disc brakes and torque-sensing assistance contribute to a smooth and confident riding experience. However, some alternatives in the same category may provide a longer range, and the non-removable battery could be a drawback for riders who need more flexible charging options. For a road e-bike, the focus is on efficiency, low weight, and responsive assistance, and the Domane+ SLR 9 checks several of these boxes, though buyers should weigh whether the premium price is justified by the specific features it offers. Riders prioritising a high-quality road e-bike with strong battery performance and a lightweight build may find the value more compelling, while those needing extended range or easier battery access might look elsewhere.
We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.
33
The price/value label suggests this bike is expensive compared with similar options.
The listed price is GBP 11,750.
Against bikes from a similar release year, the price is expensive.
Battery capacity is strong compared with similar e-bikes.
Motor power is strong compared with similar e-bikes.
Same powerSame rangeSame battery1 kg heavierSame gears
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Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
0
Limited downhill control
No suspension may reduce control and comfort on rough or steeper descents.
No suspension may reduce control and comfort on rough or steeper descents.
Hydraulic disc brakes should provide controlled braking on descents.
0
Not very off-road capable
The road bike design is not well suited to off-road terrain.
The road bike design is not well suited to off-road terrain.
No suspension limits comfort and control on rough off-road terrain.
Hydraulic disc brakes should help with control on loose or uneven terrain.
Torque is average for this type of e-bike.
The 700c wheel size may suit gravel or light mixed-surface riding, depending on tyre setup.
0
Limited rough-road comfort
No suspension may make rough roads, potholes and uneven paths feel harsher.
No suspension may make rough roads, potholes and uneven paths feel harsher.
The wheel size should be workable for rough roads and everyday uneven surfaces.
The road bike format may feel harsher on rough roads unless tyre volume is generous.
Hydraulic disc brakes add useful control on rougher routes.
Frame material is listed as carbon fiber, which gives useful comfort and build context.
0
Limited technical trail control
The road bike format is not well suited to technical trail control.
The road bike format is not well suited to technical trail control.
No suspension is a major limitation for technical trail control.
Hydraulic disc brakes should provide the control needed for technical trail riding.
Torque is average for this type of e-bike.
Torque-sensing assistance should help with smoother control on technical sections.
Power-to-weight is strong, which should help with technical sections that need quick support.
Multiple ride modes should help the rider manage assistance on technical trails.
0
Limited trail control
The road bike format is less suited to trail control.
The road bike format is less suited to trail control.
No suspension may limit control and comfort on rougher trails.
Hydraulic disc brakes should improve control on loose or uneven trails.
Torque is average for this type of e-bike.
Torque-sensing assistance should help with smoother power control on trails.
Power-to-weight is strong, which should help when controlling the bike over uneven trail sections.
6
No removable battery advantage
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
The larger battery capacity makes removable charging more useful for day-to-day convenience.
11
No built-in light advantage
Built-in lights are not listed, so separate lights may be needed.
Built-in lights are not listed, so separate lights may be needed.
The display or control unit may make light and ride-status management easier.
Battery capacity is average or better for this type of e-bike, supporting everyday powered accessories.
17
Limited storage practicality
The frame does not appear to fold, so storage will depend more on size and weight.
The frame does not appear to fold, so storage will depend more on size and weight.
The bike is lighter than many similar e-bikes, which should make storage and moving it around easier.
E-system & battery comparison
Motor Power
300 watts
▲ 29 W above average
Motor Torque
50 Nm
▲ 0.1 Nm above average
Power-to-weight
25.53 W/kg
▲ 0.0 W/kg above average
Battery Capacity
360 Wh
▲ 26 Wh above average
Claimed Max Range
60 miles
▼ 4.5 miles below average
Charge Time
3h 30m
▼ 4.7 mins faster than average
Sensor Type
Torque Sensor
Removable Battery
No
Motor Name
TQ-HPR 50
This road e-bike offers a balanced motor assistance that should feel smooth and proportional to rider effort, with a natural ride feel that aligns with traditional road bikes. The motor support sits in the middle ground for this type of e-bike, providing enough power to handle climbs and maintain pace without feeling overly aggressive. The torque-sensing system should make the assistance feel responsive and well-tuned for road riding, with ride modes that allow for fine-tuned control. The power-to-weight balance should make the motor feel lively and efficient, especially on longer rides where range and low weight are important. Riders looking for a road e-bike that feels close to a traditional bike, with predictable and smooth assistance, should find this motor setup well-suited to their needs.
This explanation is based on the bike’s motor power, torque, battery capacity, claimed range, charging
time, sensor type and how those figures compare with similar e-bikes in our database.
eBike FAQs
Is this bike suitable for long-distance road rides?
This road e-bike is well-suited for long-distance rides on paved roads, thanks to its powerful motor and efficient battery, which provide strong support for climbing and extended travel. However, its range is below average, so you may need to plan for more frequent charging stops on longer trips. The lightweight frame and hydraulic disc brakes also contribute to a smooth and confident ride, making it a solid choice for serious road cyclists who prioritize performance over extended range.
How does the motor perform when climbing hills?
The motor provides good support for climbing hills, thanks to its 300W power and 50Nm of torque, which should help you tackle inclines with ease. While the torque is average for a road e-bike, the smooth power delivery ensures a natural feel, making climbs feel less strenuous. However, the bike's range of 60 miles may require some planning for longer climbs or extended rides.
Does the bike feel like a traditional road bike when riding without motor assistance?
Yes, the Trek Domane+ SLR 9 (2025) feels quite like a traditional road bike when riding without motor assistance. The lightweight carbon frame and responsive handling make it feel natural for paved-road riding, and the hydraulic disc brakes provide confident stopping power. However, the motor and battery are integrated into the design, so while the bike performs well with assistance, the overall feel is still focused on traditional road bike characteristics when riding manually.
Is the battery efficient enough for daily commuting or regular use?
The battery should handle daily commuting or regular use reasonably well, offering a range of 60 miles on a single charge. However, since the battery isn't removable, you'll need to keep the bike near a charging point. If your daily rides are within this range and you can manage charging logistics, it should work well for most regular use cases.
How does the bike's weight affect its handling and portability?
The Trek Domane+ SLR 9 (2025) weighs 11.75 kg, which is lighter than average for a road e-bike. This makes it more agile and easier to maneuver on the road, especially when navigating tight corners or changing directions quickly. However, the non-removable battery means the whole bike needs to be near a charger, which can affect portability if you need to move it frequently between locations.
What are the main compromises of this bike compared to similar e-bikes?
Compared to similar e-bikes, this model has a shorter range and a higher price point, which may require more planning for longer trips or budget considerations. The non-removable battery also means you'll need to keep the whole bike near a charger, which could be inconvenient if you're away from home for extended periods. While it offers strong performance and a smooth ride, these factors may be compromises for riders prioritizing range, affordability, or charging flexibility.
Is this bike good value for the price compared to other road e-bikes?
The Trek Domane+ SLR 9 (2025) offers strong performance with a powerful motor and efficient battery, but its higher price point may make it less competitive with other road e-bikes in terms of value. While it delivers smooth assistance, a good power-to-weight ratio, and confident braking, its range is below average, and the non-removable battery could be a limitation for some riders. If you prioritize speed and efficiency on paved roads and can manage the charging logistics, it's a capable choice, but budget-conscious buyers might find similar performance at a lower cost elsewhere.
How practical is this bike for everyday use and charging needs?
This bike is reasonably practical for everyday use on paved roads, thanks to its efficient battery and smooth power delivery. However, the non-removable battery means you'll need to keep the bike near a charger, which can be inconvenient if you're away from home for long periods. The range of 60 miles should cover most daily commutes, but longer trips may require careful planning.
eBike Overview
eBike Type: Road Bike
The style of riding intended for this bike
Released:
2025
The bike was released 1 years ago
Screen
TQ LED display with Bluetooth & ANT+ connectivity
Lights Included
No
Weight (inc battery): 11.75 kg
The website average for electric bikes is
22.99 kg.
This electric bike is 11.25 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
XS | S | M | L | XL
Adjustable Sizing
Adjustable saddle height
Folded Dimensions
n/a
Wheel & Tire Details
Wheelset Name
Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37 mm rim depth
Shimano Dura-Ace R 9270 Di 2, wireless electronic, 12-speed
Amount of gears
12 Gears
Rear Derailleur
Shimano Dura-Ace R 9250 Di 2
Front Derailleur
Shimano Dura-Ace R 9250 Di 2
Cassette
Shimano Dura-Ace R 9200, 11-34, 12-speed
Cranks
Praxis Carbon (specifically designed for the TQ-HPR 50 motor interface)
Chain
Shimano Dura-Ace M 9100
Bottom Bracket
TQ-HPR 50 integrated system (non-standard shell due to motor)
Brakes
Brakes
Shimano hydraulic disc brakes with Shimano CL900 160 mm rotors
Brake Type: Hydraulic Disc Brake
Hydraulic operated discs brakes (Very good)
Brake Rotors
160 mm front and rear
Shifters
Shimano Dura-Ace R 9270 Di 2, wireless electronic, 12-speed
Other Components
Saddle
Unknown
Handlebars
Unknown
Bar Tape
Unknown
Manufactures Info
Worldwide Shipping:
Yes
Delivery across the globe!
Warranty:
2 Years
Limited warranty website average:
3.12 years
The Domane+ SLR 9, from globally recognized brand TREK, is a cutting-edge carbon e-road bike which gives the impression of a standard road bike, but benefits from an integrated, compact motor to enhance your ride. You'll enjoy smooth, natural-feeling assist along the way - all whilst the motor remains unobtrusive and blends into your ride.Imagine propelling uphill or conquering long-distance rides with this ultra-quiet motor, which just feels int ... Read More
The Domane+ SLR 9, from globally recognized brand TREK, is a cutting-edge carbon e-road bike which gives the impression of a standard road bike, but benefits from an integrated, compact motor to enhance your ride. You'll enjoy smooth, natural-feeling assist along the way - all whilst the motor remains unobtrusive and blends into your ride.Imagine propelling uphill or conquering long-distance rides with this ultra-quiet motor, which just feels intuitive and natural. With the exclusive Shimano Dura-Ace Di2 - top-tier wireless electronic drivetrain - this e-bike takes performance and luxury to another level. And you won't compromise versatility; this is a bike that thrives equally on tarmac and gravel terrains.Experience the top-rated 800 Series OCLV Carbon frame, partnered with the exceptional rear IsoSpeed technology. These work together to deliver an e-road bike that is responsive, strong and forgiving on rough terrain. At the same time, the harmonious 50 Nm TQ pin ring motor gives you power assistance up to 25 km/h, complemented with a 360 Wh integrated battery. You'll appreciate the smart LED display integrated adeptly on the bike, not to mention the discreet controls that make toggling through assist modes a breeze. The Aeolus RSL 37 OCLV Carbon wheels, Shimano Dura-Ace 2x12 Di2 wireless electronic drivetrain, and carbon cranks all contribute to the expert engineering of this unique e-bike. Feel confident tackling long rides with the potential to add a Range Extender. This fits neatly into the bottle cage, extending the life of your e-bike and ensuring you can reach your destination without battery concerns. The 32 mm tyres are agile on tarmac, but can be swapped for up to 40 mm tyres if your ride takes you off the beaten path.Discover the delightful balance of the Domane+ SLR 9. This e-bike delivers a seamless blend of traditional road bike design and modern e-bike functionality, resulting in a riding experience that exceeds all expectations.
