Specifications Breakdown

  • Motor: EU configuration: 48V 250W; international 960W configuration is not this listing
  • Battery: 48V 18Ah lithium-ion; 864Wh nominal
  • Torque: 65Nm manufacturer specification
  • Assist speed: EU configuration 25km/h; local rules apply
  • Charger: 54.6V 2A compatible charger
  • Charging time: Approximately 8–9 hours
  • Tyres: Kenda 29 × 2.1-inch pneumatic tyres
  • Brakes: ZOOM dual-piston hydraulic disc brakes, 160mm rotors
  • Gearing: Shimano Tourney 1×7-speed
  • Frame: Aluminium alloy
  • Front suspension: 100mm travel with lockout; non-adjustable
  • Pedal assistance: Torque sensor; levels 0–5
  • Display: S869 2.4-inch HD LCD with DUOTTS app Bluetooth support
  • Dimensions: 184 × 113 × 68cm, manufacturer technical table
  • Maximum load: 150kg total; rear rack separately rated 25kg
  • Ingress protection: IPX4; not waterproof

What’s in the Box

DUOTTS C29 Max electric bike, compatible charger, manual, pedals and assembly tools. The manufacturer also lists an air pump and accessory hardware; check the delivered packing list. Rider clothing and other lifestyle-photo accessories are not included.

FAQs

Which version is this?
This is the EU 250W C29 Max with a 48V 18Ah battery. Do not confuse it with the separate international 960W configuration.

What battery capacity does it have?
48V 18Ah (864Wh nominal). Only use replacement batteries matched to the exact model, connectors and mounting.

How long does charging take?
The manufacturer lists approximately 8–9 hours. Use the compatible supplied charger and follow the battery instructions.

Which tyres does it use?
Kenda 29 × 2.1-inch tyres are specified. Confirm the tyre sidewall, rim and valve before buying replacement tyres or tubes.

What brakes are fitted?
ZOOM dual-piston hydraulic disc, 160mm front and rear. Inspect both brakes before riding; servicing must match the brake type.

Does it have suspension?
The front suspension fork has 100mm travel and a lockout. The technical table does not specify a rear shock.

What type of pedal assistance does it have?
A torque sensor controls pedal assistance with levels 0–5.

Is the range guaranteed?
No. Temperature, gradients, rider and luggage weight, assistance level, tyre pressure and battery condition affect distance per charge.

Is it waterproof?
No. IPX4 is not protection against immersion or pressure washing. Keep charging equipment and battery connectors dry.

Can it be used on public roads everywhere?
No. Check the exact delivered configuration and local rules, including throttle, power and speed requirements. A specification alone is not legal approval.

DUOTTS C29 Max black-and-blue electric bike with 29-inch wheels, manufacturer lifestyle view

DUOTTS C29 Max 250W Electric Bike

This DUOTTS C29 Max listing is the supplier’s 250W configuration with a 48V 18Ah battery. It combines torque-sensing pedal assistance, Shimano seven-speed gearing and hydraulic disc brakes with a 100mm-travel suspension fork. The international 960W version is a different configuration.

The 48V 18Ah battery provides 864Wh nominal capacity, with a listed charging time of approximately 8–9 hours. Kenda 29 × 2.1-inch tyres, Shimano Tourney 1×7-speed gears and ZOOM hydraulic disc brakes are specified for this model.

The front fork provides 100mm travel and lockout, while torque-sensing assistance offers levels 0–5. Manufacturer-listed dimensions are 184 × 113 × 68cm. The total maximum load is 150kg, with a separate 25kg rear-rack limit. IPX4 does not mean waterproof.

About DUOTTS

DUOTTS makes electric bikes across city, trekking and wider-tyre ranges. Its C29 family includes several distinct configurations: the Lite uses a 36V battery and 27.5-inch wheels, while the Max has a 48V battery, 29-inch wheels and torque-sensing assistance.

Model names, battery capacity and regional motor editions matter when comparing bikes or choosing replacement parts.