A new generation of fully sprung SONIC mountain e-bikes. The EVA TR 1 model is equipped with great components from Bosch, Shimano, SR Suntour and others .... and the most modern frame geometry, which makes the e-bike a great e-bike for difficult terrain.

Choose your variant

Which frame to choose?

Rider height: 165 cm



Recommended size*:
17 - 18" (M)

*Suggested sizes are for guideline only.

Kdy ekolo dostanete?

€ 4,680

€ 3,868 excl. VAT

Availability: Not in stock

Discount for purchasing 2 or more e-bikes: 5%

Why this e-bike?

  • motor: Bosch Performance Line CX 4. gen
  • battery: 500 Wh (40cm frame), 625 Wh (44-48)
  • frame size: 40cm / 44 cm / 48 cm  
  • gears: 12 (10-51)
  • display: Bosch Purion
  • fork stroke: 120 mm

Monkey Link is a unique magnetic system, thanks to which components such as the headlight, taillight or fenders can be easily mounted or removed. Power is supplied directly from the battery and is controlled via the display.

More information about the Monkey Link system


The SRAM Eagle derailleur is equipped with a proven design, innovative technology combined with accuracy and reliability. Technology pulleys X-SYNC allows for better efficiency, more precise shifting and quieter and will easily handle long hikes with plenty of altitude.



Click to display the e-bike range calculator

E-bike range calculator

Total weight of rider (incl. equipment)
Predominant route profile
Battery capacity
For 80 kg riders, with a battery capacity of Wh when driving with average assistance after a predominantly , the range on this e-bike will be approximately
(Setting specific assistant mode, electro-technical state, battery age, ambient temperature, aerodynamics and driving technique could affect the overall range)

The Bulls Sonic Eva TR 1 e-bike is a new generation of fully sprung mountain e-bikes. It is developed based on the research results of the Fraunhofer Institute. It is equipped with an E-Power chassis, which combines the latest frame geometry, optimal ergonomics and targeted oversizing for the best possible control and maximum energy supply. One of the many advantages is especially quick and easy removal of the battery by 45 degrees. The Bulls Sonic Eva TR 1 e-bike is equipped with an SR Suntour fork with a stroke of 120 mm and a 12-speed Sram SX Eagle gearbox.

Nothing stands in the way of challenging trips and training in nature. Do you need advice on choosing the right e-bike? Use our guide to choosing e-bikes or contact us directly.


Dodání elektrokola ve složeném stavu

BONUS K TOMUTO E-KOLU: služba v ceně 1.590 Kč je nyní pro Vás ZDARMA.
Elektrokolo vám expresně (cca do 3-5 dnů) dodáme a bude připravené k jízdě.

Kompletně seřízené a otestované elektrokolo doručí přepravní služba přímo až k Vám.

Zdarma od nás dostanete: Detailní předprodejní servis, zajetí kola mechanikem, kontrolu baterie a nabíječky. Expediční protokol s popisem úkonů, jménem mechanika a s datem kompletace.
Dopravu kompletně složeného elektrokola (vy si pouze našroubujete pedály) ve speciálním 5-ti vrstvém extra velikém kartónu. Tento doručovací box zasíláme výlučně spediční službou TOPTRANS. Kam si řeknete a v čase, který si sami určíte, v rámci Česka i Slovenska. I na dobírku. 

Více informací
Central drive BOSCH Performance Line CX 2020

BOSCH Performance Line CX 2020

BOSCH Central motors are currently the most used drives in e-bikes and even though they didn't arrive until 2014, they have very quickly became tremendously popular. Their central engines almost completely replaced hub engines and pushed their way through the market due to their unique properties and characteristics. CX 2020 Performance line sits on top of the range and there is no question about their position as a current market leader.

Read more

BOSCH POWER TUBE 625 battery integrated into the e-bike


The new PowerTube 625 battery allows trekking and mountain e-bikes to take them long distances. Thanks to its compact size and minimalist design, the battery can be integrated into the e-bike to achieve the optimal effect.

Read more

Bosch Purion Display

Bosch Purion Display

Purion is a minimalist on-board computer for anyone who demands sleek look of handlebar whether it is for City or off-road use . You can conveniently get all the important information at the touch of a button while riding with both hands remaining on handlebar. Five different riding modes give you the right support in every situation. The display is supplied with cabling, handlebar holder and is available in two colors.

Read more


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.

BULLS E-bikes


Drive type BOSCH Performance Line CX 4. generace
Control Bosch Purion
Capacity and battery type 500 Wh / 625 Wh
Frame type and material aluminium
Front fork SR Suntour Lytro 34 120 mm
Number of gears 12 speeds
Shifters Sram SX Eagle 12 speeds
Derailleur Sram SX Eagle
Type and brand of brakes Shimano BR-MT420/400 hydraulic discs 203mm
Crankset Sram /BULLS
Cassette Sram Eagle 10-50T
The stem BULLS The Frog, 35mm
Handlebars BULLS Riser
Saddle Selle Royal Vivo
Seat post BULLS aluminium
Load capacity 125 kg
Rims Rodi Tryp30
Tyres Schwalbe Smart Sam 27,5x2,60
Silencer SR Suntour Edge R 120mm