Bosch Performance Line CX Gen4 Motor BDU450 – 85Nm E-Bike Drive Unit OEM Programmed

Description

Bosch Performance Line CX Gen4 Motor – BDU450 (85Nm)

The Bosch Performance Line CX Gen4 motor (BDU450) is one of the most powerful and widely used e-bike drive units for performance-oriented electric mountain bikes. Designed for aggressive trail riding and demanding terrain, this motor delivers up to 85Nm of torque for strong climbing ability and fast acceleration.
Please note this version is NOT the Bosch Smart System motor.

These motors are brand new OEM stock with 0 km use, normally supplied directly to bike manufacturers and rarely available individually. We secured a large batch of overstock units, allowing us to offer them significantly below the original retail price while still including a 24-month warranty.

THIS PRICE INCLUDES FULL PROGRAMMING, ONCE PURCHASED WE WILL NEED THE BELOW INFO.
No returns on these motors once programmed as they will then be programmed specifically to your bike so please double check compatibility before ordering.

PLEASE ALLOW APPROX UP TO 10 WORKING DAYS FOR DELIVERY DUE TO PROGRAMMING – MOTORS ARE SENT TO A BOSCH MAIN SERVICE CENTRE.

1. Bike brand:
2. Frame number:
3. Shifting type Chain or hub or e-shift hub:
4. Teeth number on front chainring:
5. Number of teeth on rear cassette large ring:
6. Number of teeth on rear cassette small ring:
7. Wheel circumference (or tyre size and width e.g. 27.5 x 2.6):
8. 12 V power output activated or not?:
9. Lights activated or not?:
10. Light voltage 6v or 12v:
11. Crank length e.g. 160mm, 165 or 170?:

With a compact design and weight of approximately 2.9 kg, the motor integrates neatly into modern e-bike frames while maintaining a natural riding feel.

This unit provides pedal assistance up to 25 km/h, meeting EU pedelec regulations, and is built around Bosch’s reliable 36 V system used on thousands of premium e-MTB models.

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Optional Programming Service

For the best performance and compatibility, we highly recommend programming the motor before delivery.

Once purchased, we can arrange programming to match your exact bike specification including:

• wheel size
• drivetrain configuration
• lighting setup
• bike-specific parameters

Most standard bike shops do not have access to the correct Bosch configuration software, even if they are Bosch dealers.

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Key Features

• Genuine Bosch Performance Line CX Gen4 drive unit
• 85Nm maximum torque for powerful climbing
• 250W rated motor power
• Assistance up to 25 km/h
• Compact and lightweight design
• Proven Bosch reliability for e-MTB and trekking bikes
• Perfect replacement for Bosch CX Gen4 motors
• Brand new OEM stock (0 km use)

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Specifications of Bosch Performance Line CX Gen4 motor

• Brand: Bosch
• Model: Performance Line CX Gen4
• Drive Unit: BDU450
• Motor Type: Mid-Drive E-Bike Motor
• Rated Power: 250W
• Maximum Torque: 85Nm
• Maximum Assistance Speed: 25 km/h
• Voltage: 36V
• Weight: Approx. 2.9 kg
• Bosch Manufacturer Part Number: 0275007074
• EAN / GTIN: 4054289000424
• Colour: Black

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Compatibility

• Bosch Performance Line CX Gen4 e-bike systems
• Suitable as direct replacement for BDU450 motors

⚠ Not compatible with Bosch Smart System motors

After installation the motor should be configured using Bosch service software, which is standard procedure when replacing Bosch drive units.

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Condition

• Brand new motor
• 0 km use
• OEM stock from manufacturer supply chain
• 24-month warranty

Some units may show minor cosmetic marks from storage or handling, though this is uncommon.

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Shipping

International shipping available.
VAT-free export pricing available outside the UK.

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