70 km range Charging time 2.5 hWeight from 13.4 kg
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Agile. Light. Untamed.
Lightweight and nimble city e-bike that adds speed and adventure to your daily rides.


Man riding on matte black Ampler Curt e-bike
Curt is a bold and nimble city e-bike that quickly takes you from A to B. The sporty geometry is designed for fast moves and the straight handlebar makes the handling highly responsive. You don’t need a second shirt on your way to work.
Man carrying matte black Ampler Curt e-bike
Curt is stripped of all excess, only keeping the key components to a fierce ride. The carbon fork and minimal design keep the weight down at just 13.4 kg, making Curt light to lift and easy to manoeuvre. The resulting e-bike is perfect for quick commutes and workout rides in the city.
Woman riding on matte black Ampler Curt e-bike
Available in single-speed and 11-speed, you can choose the version that best fits your needs for versatility and looks. The dynamic motor support adds speed to your ride when you need it the most, making you more powerful while keeping you in control.
smart phone with Ampler App
Updates via the Ampler app
The Ampler app lets you can customise the motor assist settings, check the battery level, and receive over-the-air firmware updates. This will always keep your bike electronics up to date with the latest improved functions.

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Customise your bike

Get your Curt


Matte Black





20% VAT included. Free shipping within Europe.

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  • S (50 cm) 165 – 172 cm
  • M (54 cm) 172 – 185 cm
  • L (58 cm) 185 – 200 cm

No frame chosen

Please choose a configuration to see availability.

Bright integrated lights

Curt is equipped with LightSKIN and Busch+Müller EYC integrated lights that work for 2 hours even after depleting the battery.

Reliable disc brakes

Shimano Deore hydraulic disc brakes that are designed for reliable braking power in all conditions.

Puncture-protected tyres

Premium all-rounder Continental tyres that let you ride fast and safely on both road and gravel.

Low-upkeep belt drive

The single speed version includes Gates Carbon belt drive that keeps Curt’s drivetrain clean, quiet and almost maintenance-free.

Technical details
Frame sizes: Small 50 cm, Medium 54 cm, Large 58 cm
Weight: 13.4 kg (single-speed belt) / 14.4 kg (11-speed chain)
Maximum weight load: 120 kg (rider and luggage)
Frame: Aluminum Alloy 6061, Double butted
Fork: Carbon 1 1/8"- 1 1/2", 12 mm Thru-axle
Crankset: Alloy 170 mm
Bottom Bracket: Sealed BB with a torque sensor
Drivetrain: Gates CDX carbon Drive /Shimano Deore M5120 11-Speed* Upgrade
11-gear configuration: Shimano Deore M5120 11-Speed* Upgrade
Brakes: Shimano M6000 hydraulic disc brakes
Brake Pads: Shimano G02S
Wheels: 28" wheels with 28 mm asymmetrical rims and sealed bearing hubs, 36H
Tyres: Continental Grand Prix 4-Season, 32 - 622 mm
Assist speed: 25 km/h
Range: 45-100 km depending on terrain and assist mode
Battery: 48 V 336 Wh LG Li-ion battery
Motor: 48 V 250 W rear hub motor
Control mode: Precise pedal torque-sensing motor control system
Connectivity: Smartphone connectivity with option to change motor settings
Charger: 3A Li-ion charger with Rosenberger magnetic plug
Charging time: 2.5 hours for a full charge
Lights: Front: Busch+Müller IQ2 Eyc / Rear: LightSKIN integrated seat post LED light

*Due to the changes in the supply chain caused by the COVID-19 pandemic, Ampler may exchange these components with components of similar quality and design.

model geometry
Effective top tube A 583 589 604
Seat tube length B 500 540 580
Head tube C 140 150 175
Steering angle D 72.5 72.5 72.5
Seat tube angle E 73 73 73
Chainstay F 436 436 436
Wheelbase G 1054 1060 1066
Standover H 784 808 840

Buying and riding an Ampler worry-free

Free shipping & returns

Not happy with your bike? Return it for free within 14 days and get a full refund.

2-year warranty

No need to worry if things break — Your bike comes with a 2-year warranty and a 5-year warranty of frame and fork.

Servicing in Europe

If there are any problems with your Ampler bike, you can get it fixed at our official service partners in Berlin, Munich, Hannover and Frankfurt.

Over-the-air updates

With our over-the-air updates, the firmware inside your bike will always stay up to date.

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