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  4. Bulls Sonic SX 1
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Sold

Bulls Sonic SX 1

€2,649

€4,999new-47%

Sold

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Why we love it

Le Bulls Sonic SX 1 est un VTT électrique à assistance légère à la pointe de la technologie, offrant une sensation de conduite particulièrement agile et naturelle. Son cadre semi-rigide en carbone léger et son moteur compact Bosch Performance Line SX garantissent une assistance puissante pour un poids minimal. Que ce soit sur des sentiers fluides ou des montées exigeantes, ce vélo allie la légèreté d’un VTT classique à la puissance d’une motorisation électrique moderne. Il est parfait pour les cyclistes sportifs qui recherchent un contrôle maximal et un plaisir de conduite optimal en tout-terrain.

Top features

Ultra-light electric bike
Wide tires for excellent stability
Top-of-the-range engines from top manufacturers

Specifications

General

Brand: Bulls

Model: Sonic SX 1

Usage: Mountain bike

Mountain bike category: Hardtail

Color: Green

Year: 2025

Mileage: 15 km

Weight: 17 kg

Frame type: Closed

Sizing

Manufacturer's size: L (ideal for people between 1m75 and 1m90)

Seat tube length: 50 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

Frame material: Carbon

Fork model: SR Suntour 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: No

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 (2025)

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

Fixed or repaired : wheels, pedals, chain

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 September 2026.

Documents

Ownership history

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

Warranty and Protection

Included with your bike

Optional coverage available at checkout

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