BULLS Sonic EVO TR 1

BULLS Sonic EVO TR 1 (2025) - modern trail e-MTB

The BULLS Sonic EVO series has been one of the most popular trail e-bikes from the German brand BULLS for several years. The 2025 version of the TR 1 comes with improved geometry, a new mullet fitment and modern equipment that targets riders looking for comfort, performance and off-road versatility.

Powertrain Bosch Performance Line CX Smart System

At the heart of the bike is the proven Bosch Performance Line CX Smart System motor, one of the most powerful powertrains for mountain bikes:

• 85 Nm of torque - can handle steep climbs and technical passages
• up to 340% assist - power is natural and smooth
• smart ecosystem - connection to the eBike Flow app allows remote updates, setting of riding modes and connection to navigation.

Thanks to modern electronics, the motor is not only powerful, but also quiet and battery-friendly.

The battery has a capacity of up to 750 Wh

Realistic range is 100-150 km, depending on the mode and terrain selected. The battery is integrated into the frame and easily removable for off-bike charging.

Frame and geometry

The 6061 Superlite aluminium alloy frame has been designed to suit trail riders:

• 29" wheels
• Modern geometry with longer reach and a lower head tube brings stability on descents
• solid Boost axle and internal cable routing provide a clean design and frame stiffness.

Customized trail suspension

• BULLS LYTRO 34 Air 1.8 Boost 120 mm front fork with adjustable rebound and lockout
• SR SUNTOUR Edge Plus R 210*50 rear shock, 120 mm tuned for smooth bump absorption.

The e-bike is ideal for trail rides, technical passages and longer day rides in the mountains.

E-bike range calculator

Battery capacity: 500 Wh

300 Wh 650 Wh 1000 Wh

Rider weight: 75 Kg

50 Kg 95 Kg 140 Kg

Dominant route profile:

Flat

Medium

Hills

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The e-bike range is approximately

*Factors affecting total range include assist mode settings, technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique

BOSCH Performance Line CX Smart system

BOSCH Performance Line CX Smart System. A powerful and dynamic motor for intuitive handling and a unique driving experience. Thanks to its multi-sensor concept and innovative Bosch motor management, the Performance Line CX Smart System sets new technical standards - responding flexibly and responsively to develop its full potential on technically demanding tracks.

One powerful feature is the eMTB mode, which uses exactly as much power as needed and allows you to focus all your attention on driving. 

More information

BOSCH POWER TUBE 750

Original, high-capacity integrated battery BOSCH PowerTube 750. It enables mountain and trekking e-bikes to travel  really long distances. Thank to its compact size and minimalist design, the battery is integrated into the e-bike to achieve optimum effect. 

• Compatibility only for Bosch Performance Line CX Smart System (BES3) - model year 2022 and newer
• Length: 481.3 mm
• Horizontal and vertical variants - they differ in the way the battery is mounted in the frame.
• The integrated BMS ensures long range and durability.
• It has no memory effect and will not self-discharge.

More informations

BOSCH LED remote

Fully interconnected LED control unit. The LED remote control is also ready for demanding sports riders. It has all the classic functions you need. More flexibility, comfort and safety. The LED remote connects the e-bike to the eBike Flow app. This makes it possible to show all important riding data, such as ride length or distance travelled, via smartphone and share it. The LED remote control can be individually customised and, in addition to its attractive design, boasts optimal ergonomics and intuitive operation.

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BULLS is one of the world's leading manufacturers of e-bikes. They introduced the first e-bike in 2010 and since then they are poving to be experts every year with new models just getting better and better. They are best klnown for their great combination of quality, equipment and beautiful design. Quality and precise engineering is obvious right from the start. Very popular are off-road all-suspension eMTB e-bikes with the latest motors and high battery capacity.

The importer of BULLS e-bikes is the company BIKETIME s.r.o.

Contact: BIKETIME s.r.o., K dolum 1924/42, 143 00 Praha 4, Czech republic, e-mail: info@biketime.cz, phone: +420 604 263 221, web: www.biketime.cz

BULLS E-bikes