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29" 250W 42Nm ROKTAR/ZEPHIR Motor

Name: 29" 250W 42Nm ROKTAR/ZEPHIR Motor
Brand: Doctibike
SKU: 4153EWF789
Price: 172.7 EUR
Availability: InStock

Reference 4153EWF789

Available under 4 weeks
*according to supplier's lead time

Viketory 29" 250W 42Nm Wheel Motor : Designed to restore your e-bike’s full performance, this e-bike...
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Viketory 29" 250W 42Nm Wheel Motor: Designed to restore your e-bike’s full performance, this e-bike motor provides reliable and consistent assistance for everyday use. Ideal for replacing a worn-out motor or getting an e-bike back on the road, it offers a good balance between responsiveness, efficiency, and riding comfort, whether for urban commutes or longer rides.

With its 250W power and 42Nm torque, this e-bike motor enables smoother starts, better hill climbing, and a more stable feeling of assistance, while remaining suitable for versatile use. Its 29" size is suitable for bikes equipped with 29-inch wheels, a common standard for electric hybrid bikes and electric mountain bikes.

Main function: motorization/assistance for electric bikes (wheel motor)
Usage: replacement of an e-bike motor, refurbishment of an electric-assist bike
Key benefits: smooth assistance, 42 Nm of torque for better acceleration, 250 W of power for everyday use
Size: compatible with a 29" wheel (only if your bike has 29-inch wheels)
Available information: ROKTAR/ZEPHIR model

To help you choose the right e-bike part, be sure to check your wheel diameter and assembly specifications (connectors, wheelbase, motor position, controller/battery compatibility) before ordering.

Scroll down the page to view the detailed technical specifications at the bottom of the product page ↓

Warranty: 2 years

Available under 4 weeks
*according to supplier's lead time

€143.92

The displayed price including VAT is indicative.
The final amount will be calculated based on the delivery address provided when placing the order.

Free delivery from €299

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29" 250W 42Nm ROKTAR/ZEPHIR Motor

€143.92

Technical specifications
Description

Technical specifications

Brand

Viketory

Warranty

2 years

Ean13

8435764445651

Description

Description

The Viketory ROKTAR/ZEPHIR 29" 250W 42Nm motor is an e-bike motor designed to provide assistance to an e-bike equipped with 29-inch wheels. With a rated power of 250W, it meets the needs of a motor system geared toward sustainable mobility, while its rated torque of 42Nm provides noticeable assistance when starting and accelerating. It is a suitable solution for replacing an original motor or as part of the refurbishment of an electric assist system.

Benefits for the User

This 250W e-bike motor provides smooth electric assistance for everyday rides, minimizing the effort required to pedal. The 42 Nm of torque contributes to easier starts and better acceleration, especially when the bike is loaded or in city traffic. The design, intended for 29" wheels, helps preserve the geometry and handling of your e-bike once the motor is replaced.

Technical Specifications

Brand: Viketory. Product type: e-bike motor (motor and components categories). Specified wheel size: 29". Rated power: 250W. Torque: 42Nm. Model/Series: ROKTAR/ZEPHIR.

Recommended Uses

This motor is recommended for a 29" electric bike intended for utility and daily use (urban travel, commuting, leisure rides), when the goal is to restore assistance equivalent to a 250W motor. It is also suitable for replacing a faulty motor on an existing 29" setup.

Compatibility

Compatibility with a specific battery, controller, display, pedal sensor, wiring harness, or connection standard is not specified in the information provided. To avoid any installation errors, you must verify electrical and mechanical compatibility with your existing ROKTAR/ZEPHIR system before purchasing.

Weight and Dimensions

The exact weight and dimensions of the motor are not provided.

Expert Advice

Before ordering, identify your current setup precisely (29" wheel, ROKTAR/ZEPHIR series) and note the available information on the old motor (label, connectors, wiring) to ensure compatibility. During replacement, check the condition of the wheel, wiring, and connectors, then gradually test the pedal assist to verify proper operation on the road. If you have any doubts about compatibility with your controller or battery, have the system checked by a specialized repair shop to avoid any electrical incompatibility.