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SKU: 2116

DUOTTS C29 Max 500W 48V 18Ah

Color: Black

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RON 5,821.18 RON 7,099.00

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Description

DUOTTS C29 Max – Urban E-Bike 500W with Hook-Type Torque Sensor and 18Ah Battery

The C29 Max is the most refined urban e-bike in the DUOTTS C29 family. Its 500W motor is paired with a hook-type torque sensor that measures pedalling force directly, delivering assist that is proportional and immediate. With a 48V 18Ah battery, hydraulic disc brakes and 29×2.1” wheels, the C29 Max offers the most natural riding experience in the urban lineup.

500W Motor Torque Sensor 48V 18Ah Battery 80–90km Range Hydraulic Disc Smart App

Most e-bikes use a cadence (speed) sensor that detects wheel rotation and activates the motor at a fixed output level. The C29 Max uses a hook-type torque sensor that reads the actual force applied to the pedals: pedal harder, get more assist; ease off, and the motor backs down. The result is a riding experience that feels like a natural extension of your own effort.

DUOTTS C29 Max Technical Specifications

Motor & Performance

Motor power500W

Torque65 N·m

Assist sensorHook Torque

Speed limit25 km/h

Max speed40 km/h

Range80–90 km

Max slope30°

Battery & Charging

Battery48V 18Ah

Charger54.6V 2A

Charge time8–9 hours

ProtectionIPX4

ConnectivitySmart App

Build & Components

Tyres29×2.1”

BrakesHydraulic disc

SuspensionFront fork

FrameAluminium

Max load150 kg

Net weight29.25 kg

Hook-type torque sensor – what it changes about riding

On a cadence-sensor e-bike, the motor activates the moment the wheel turns and delivers a fixed output per assist level. This can feel jerky on starts and off-putting when you pedal lightly. On the C29 Max, the hook-type torque sensor reads pedal force in real time: a gentle pedal stroke gets gentle assist; pushing hard up a hill gets full 65N·m response. The transition from no assist to full assist is seamless and intuitive.

500W vs 750W – why the C29 Max uses a smaller motor

A torque sensor works best with a motor that responds proportionally across its full power range. A 500W motor with torque sensing delivers better linearity and smoother gradations of assist than a 750W motor tuned for cadence sensing. The C29 Max isn’t less powerful because it can’t go faster — it’s calibrated to feel more natural across all riding conditions.

C29 Max vs C29-L: same hydraulic disc brakes, same wheel size. The C29 Max adds torque sensing and a larger 18Ah battery; the C29-L has a 750W motor. Choose the Max for ride quality; choose the C29-L for maximum raw power.

Who Is the DUOTTS C29 Max For?

Cyclists Who Want Natural Assist

Torque sensing delivers assist proportional to effort — the closest a hub-motor e-bike gets to the feel of a mid-drive system.

Longer Urban Routes

The 18Ah battery extends range to 80–90km — more than the C29-L’s 15Ah — for riders with longer daily distances.

Fitness-Oriented Commuters

Torque sensing encourages actual pedalling effort rather than passive riding — you put in the work; the motor amplifies it.

Frequently Asked Questions – DUOTTS C29 Max

What is the practical difference between torque sensing and cadence sensing?

Cadence sensors detect pedal rotation and deliver a fixed motor output per assist level. Torque sensors measure how hard you push on the pedals and adjust motor output accordingly. In practice: torque sensing feels more natural (starts are smoother, assist fades out gradually when you stop pedalling), while cadence sensing feels more mechanical (assist kicks in and cuts out more abruptly).

Is 500W enough for hills?

Yes. 500W with 65N·m torque and a torque sensor is more than adequate for urban hills of 5–15%. The torque sensor ensures the motor delivers maximum output precisely when you need it most — when pedalling hardest going uphill. On gradients above 20%, a 750W motor like the C29-L has an advantage.

Does the torque sensor drain the battery faster than a cadence sensor?

Not necessarily — in many cases, torque sensing is more efficient. Because the motor only delivers as much power as you request through pedal force, it avoids the wasteful full-power spikes that cadence-sensor bikes can produce on starts. The larger 18Ah battery also provides more headroom than the C29-L’s 15Ah.

Can the hook-type torque sensor be adjusted or recalibrated?

The sensor sensitivity can be adjusted through the Smart App — higher sensitivity means the motor responds to lighter pedal force; lower sensitivity requires more effort before assist activates. Factory calibration suits most riders, but the app lets you fine-tune the response to your preferred pedalling style.