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3 289.00 €

Bulls Sonic EVA AM-SX 1 with Bosch PowerMore 250Wh full-suspension lightweight e-bike

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Our Code: BSEAS1PM-M
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A full-suspension electric mountain bike with 29" wheels, a Bosch Performance Line SX motor (55 Nm), a Bosch 400 Wh battery, SHIMANO Deore 1x12, and a removable Bosch PowerMore 250 Wh battery included with the e-bike.

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A full-suspension electric mountain bike with 29" wheels, a Bosch Performance Line SX motor (55 Nm), a Bosch 400 Wh battery, SHIMANO Deore 1x12, and a removable Bosch PowerMore 250 Wh battery included with the e-bike.

Detailed Description
In 5 days
An expedition is possible Thursday 17. 9. (delivery options)
Price Including VAT 3 289.00 € Recommended Retail Price: 6 707.37 € -50% Reference Price: 6 739.00 € -51%
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Description

Some parts of this page are translated automatically, so please excuse any imperfections.

Bulls Sonic EVA AM-SX 1 with Bosch PowerMore 250Wh is a lightweight full-suspension e-bike for trail and mountain riding on 29" wheels. It belongs to the performance class of light e-bikes with a mid-drive motor and an emphasis on low weight. In practice, it targets riders who are looking for the right balance of power and handling in technical terrain.

We also add a PowerMore 250 Wh extender to the e-bike at no extra charge, which increases range while preserving what the e-bike does best — low weight. Range increases by more than 60% and weight goes up by 1.6 kg. 

Frame and geometry

The frame is made from a carbon composite in a Diamond frame design, intended for all-day trail use. The suspension is built around a fork with 140 mm of travel and a rear shock with 130 mm of travel. The ACROS AIF-531 1.5 headset supports front-end stiffness under braking and through corners. The bike is available in sizes S, M, and L.

Components

Drivetrain: Shifting is handled by a Shimano Deore SL-M6100 12-speed shifter and a Shimano Deore RD-M6100 rear derailleur. The Shimano Deore CS-M6100 cassette has a 10–51T range.

Brakes: The hydraulic disc brakes use a Shimano BR-MT420 caliper up front. The rotors are 203 mm in diameter both front and rear.

Wheels and tires: The wheelset is MAVIC E-Crossride 1 CL MS in 29". Schwalbe Wicked Will Performance and Nobby Nic Performance tires are sized 62-622 and 60-622.

Cockpit: The handlebars are BULLS riserbar, and the Poligon stem is 45 mm long. The Limotec Alpha 1UH dropper post has a 31.6 mm diameter and 150 mm of travel.

Ride characteristics

The combination of 29" wheels and 140/130 mm travel pushes the bike’s behavior toward trail use, with an emphasis on stability in rough terrain. The Bosch Performance Line SX mid-drive motor with 55 Nm of torque supports smooth power delivery on technical climbs. The wide 10–51T cassette range helps maintain cadence even at slower speeds on steeper ascents. The 203 mm rotors increase braking reserves on longer descents and with the higher weight of an e-bike.

Who it’s for

The Bulls Sonic EVA AM-SX 1 is designed for experienced riders who want a lighter full-suspension e-bike for trails, mountain climbs, and longer off-road adventures. Thanks to the dropper post and trail-focused travel, it suits riding in technical sections as well as on natural singletrack. Compared with traditional heavier e-bikes with higher torque, it prioritizes lower weight and a more natural ride feel.

Key specifications

  • Frame: carbon, Diamond frame
  • Motor: Bosch Performance Line SX, 55 Nm, assistance up to 25 km/h
  • Battery: Bosch CompactTube 400, 400 Wh
  • Suspension: BULLS Lytro 34 SL LOR Air DS Boost 140 mm fork, SR SUNTOUR Edge Plus 2CR 130 mm shock
  • Shifting: Shimano Deore M6100, 12 speeds, 10–51T cassette
  • Brakes: hydraulic disc, 203 mm rotors front and rear
  • Wheels: 29", MAVIC E-Crossride 1 CL MS wheelset
  • Weight: 17.7 kg (without battery 16.1 kg)

EAN: BSEAS1PM-M

E-bike range calculator

Battery

400 Wh

Rider weight

80 kg

127 km Range*
*

The stated range is approximate. The actual total range is influenced by several factors, such as the selected assistance mode, the technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique.

Manufacturer: ZEG IT-Service GmbH, Longericher Straße 2, 50739 Köln, shop@bulls.de, www.bulls.de

Specifications

Frame Set
Frame

Carbon, Diamond frame

Fork

BULLS Lytro 34 SL LOR Air DS Boost, travel 140 mm

Rear Shock

SR SUNTOUR Edge Plus 2CR, travel 130 mm

Headset

ACROS AIF-531 1.5

Electric Components
Motor

Bosch Performance Line SX 25/55Nm, 600 W, mid-drive motor

Battery Type

400 Wh, expandable with a 250 Wh extender

Charger

2 A Charger

Display

Bosch Mini Remote and System Controller

Wheels
Wheels

MAVIC E-Crossride 1 CL MS

Tires

Wicked Will Performance / Nobby Nic Performance (62-622/60-622)

Drivetrain
Shifters

SHIMANO Deore SL-M6100, rapidfire+, I-spec-EV, 12 speed

Rear Derailleur

SHIMANO Deore RD-M6100

Crankset

BULLS 165 mm

Cassette

SHIMANO Deore CS-M6100 10-51T

Chain

SHIMANO CN-M6100-12

Components
Pedals

ZECURE MTB pedals

Brakes

Hydraulic disc brake, SHIMANO BR-MT420 (front)

Rotors

SHIMANO SM-RT30 CL 203mm (front), SHIMANO RT-EM300 CL 203mm (rear)

Handlebars

BULLS riserbar

Stem

Poligon 45mm

Grips

Prologo Proxim Enduro

Saddle

Prologo Proxim 400 wide

Seatpost

Limotec Alpha 1UH 31.6mm + SL-MT500-IL, 150 mm

Extra

MonkeyLink Connect front light, MonkeyLink Twinlight rear light, ABUS battery lock, max load 130 kg

Weight

17.7

Colour

UD Carbon / Light Emerald

Frame Size

M (17 - 18)

Activity

Mountain Biking, Electric Bicycles

Designed for

Mens / UNI

Frame Material

Carbon

Drive

Bosch Performance Line SX

Battery Capacity

650 Wh, 400 Wh

Motor Type

Mid-Mount

Wheel Diameter

29"

Travel

100-120 mm (XC/Marathon)

Model Year

2026

Colour

Green, Black

The wheel manufacturer reserves the right to change the wheel specifications without providing reasons. In exceptional cases, the delivered product may differ from the stated specifications and images to improve the availability or functionality of the bike.

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