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  4. Bulls SONIC SX 1 LOW 400
Bulls SONIC SX 1 LOW 400 #1 global
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Sold

Bulls SONIC SX 1 LOW 400

€2,599

€4,999new-48%

Sold

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Why we love it

Le Bulls SONIC SX 1 LOW est un VTT électrique léger qui allie performances sportives et confort au quotidien. Le puissant moteur Bosch Performance Line SX développe un couple de 55 Nm et vous assiste de manière fiable sur les sentiers et dans les montées. Grâce à son cadre à enjambement bas, il est particulièrement facile de monter sur ce vélo. Avec un poids d’environ 18 kg et sa batterie compacte de 400 Wh, il reste agile et maniable. Un vélo idéal pour tous ceux qui recherchent une expérience de conduite polyvalente et dynamique.

Top features

Ultra-light electric bike
Wide tires for excellent stability
Never-owned-before electric bike, with little or no use

Specifications

General

Brand: Bulls

Model: SONIC SX 1 LOW 400

Usage: Mountain bike

Mountain bike category: Hardtail

Color: Grey

Year: 2025

Mileage: < 5 km

Weight: 18 kg

Frame type: Open

Sizing

Manufacturer's size: M (ideal for people between 1m65 and 1m75)

Seat tube length: 44 cm

Equipment & Accessories

Double kickstand: No

Electrical

Battery

Condition: Original

Battery capacity: 400 Wh

Battery location: Frame

Battery removable: Yes

Motor

Brand: Bosch

Model: Performance Line SX

Engine location: Mid-drive

Engine torque: 55 Nm

Product Reference: BDU3144

Max speed: 25 km/h

Display

Display model: None

Remote model: Mini

Mechanical

Frame & Suspensions

Fork model: Bulls Lytro 34 Air

Fork travel: 130 mm

Drivetrain & Braking

Shifting: Derailleur

Transmission: Chain

Derailleur model: Shimano Deore

Number of speeds: 12

Brakes: Disk | Hydraulic

Wheels & Tires

Wheels size: 29"

Tires: Schwalbe Nobby Nic (62-622)

Dropper post: Yes

History and Inspection Report

Inspection

Every e-Bike we sell undergoes our 50-point inspection process. Anything that doesn’t meet our standards is repaired or replaced by our mechanics.

Bulls SONIC SX 1 LOW 400 (2025)

Frame, drivetrain, braking system, wheels, tires and suspensions inspected and tested

Fixed or repaired : wheels

Battery, motor and display diagnosed and in healthy condition

Software up-to-date

Test ride, deep cleaning and final quality control check

This bike has been inspected and tested in Düsseldorf in June 2026.

Documents

Ownership history

This Bulls SONIC SX 1 LOW 400 was sold to us directly from a bike shop in May 2026.

Additional notes

Note that dropper posts usually have a slight side-to-side play.

Warranty and Protection

Included with your bike

Optional coverage available at checkout

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