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Sonic EVO EN-SL 1

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Electric System

Motor Shimano EP8 25/85Nm
Motor Type Central
Motor Power 250 W
Motor Support Limit hasta 25 km/h
Battery BMZ Supercore 750 horizontal
Battery Type Iones de Litio
Battery Capacity 750 Wh
Battery Brand BMZ
Display Shimano Steps SC-EM8000


Colors liquid titan metallic // greenish rainbow
Frame Sizes 40 cm // 44 cm // 48 cm // 51 cm
Frame Diamant
Frame Material Carbon


Fork Rock Shox Lyrik Select RC 1.8 tapered
Rear Shock RockShox Super Deluxe Select+ RL


Gears 12 Velocidades - Desviador
Derailleur Shimano Deore XT RD-M8100
Shifter Shimano Deore SL-M6100
Crankset e*thirteen
Cassette Shimano Deore CS-M6100-10 10-51T


Brakes Disco Hidráulicos
Discs Trasero: 203 Center Lock / Delantero: 203 Center Lock


Wheel 29 x 2,35
Tires Schwalbe Magic Mary / Big Betty

Handlebar and Saddle

Stem Poligon Bulls
Handlebar BULLS Riser
Headset Acros No.4
Grips BULLS Enduro
Saddle Prologo Proxim 450 Sport
Seatpost BULLS The Frog


Front Light MonkeyLink
Rear Light MonkeyLink
Pedals Wellgo ZZE-01M

Bulls Sonic EVO EN-SL 1


There are several reasons why the BULLS SONIC EVO EN-SL 1 can be considered one of the best-equipped e-bikes in the current market of Enduro electric bikes, the exceptional power of its electric system, the excellent and easily adjustable behavior of its fork, the 29-inch diameter of its wheels that will make us feel the flattest road and, with all that, a truly amazing weight of 21.7 kilograms. This bike will be like our personal supersonic plane to literally "fly" over any type of terrain, trail or urban road, with the particularity that on this occasion the fun of piloting the ship is in our hands.

As with the entire Sonic Enduro range, the heart of the Bulls Sonic Enduro is its Shimano EP8 motor. Despite its small physical dimensions, with its 85 Newton meters, it is one of the torquiest motors available on the Enduro market today. This unit is also used in the e-bikes of more than a dozen experienced e-bike manufacturers. The motor can operate at various levels of assistance delivery, chosen according to the needs of the route. Where others design with price as a benchmark, this drive unit has been engineered to meet the most rigorous standards. By using complex gearing they have achieved more compact dimensions and lighter weight, quieter operation, and less friction and wear.

In addition, the electrical system is powered by compact and very powerful 750 Watt-hour battery, also one of the most powerful on the market today, with a charging time of 3.4 hours to reach 80 % capacity and 5 hours for a full charge.

Shimano has new software that provides more torque at low speed as well as smoother power delivery (without jerking) at any of the available speeds in the available range.To control this powerful assistance, the popular firm applies a sensor concept that is one of the most successful on the market: it makes hundreds of measurements per second of the force we apply to the pedal, comparing three parameters: torque, pedaling cadence and speed.

This colossal assistance package will not only make our dreams come true: it will also enable us to explore new personal goals and expectations.

Nor will it be a worry to put this Bulls enduro electric bike to the test in the most extreme mountain biking conditions. For this purpose, it has a robust carbon frame with a fully integrated battery down tube, with virtually no visual impact. Designed to mitigate the shocks caused by uneven terrain, it is fitted with a Rock Shox Lyrik Select RC 1.8 fork with 160mm travel, one of the most striking forks of recent years thanks to its aesthetics and performance, with a great initial sensitivity to shocks and a "progressive" or controlled feel in low and medium frequency impacts. With great versatility of use, its air chambers can be filled with more or less pressure depending on the conditions of the route we are going to face, and when we don't need it, it can be easily blocked by simply pressing a button with the thumb. A 65-degree camber angle helps with forwarding movement and ensures a reliable ride, with no intermittent ground-holding during bounces caused by hard potholes, especially on descents. RockShox Super Deluxe Select+ RL rear suspension with 150mm of travel completes the suspension of this electric Enduro beast.

The quality of the brakes and the gear shifting system of this missile are the responsibility of the prestigious Japanese firm Shimano. Shimano XT RD-M8100 with 12 speeds are at our disposal to face the climbs and any type of terrain we may face in an efficiently. The hydraulic brakes, Shimano Deore BR-M6120 with 203 mm discs on both wheels, provide enough power to bring the bike to a complete stop safely, as well as a good feeling and excellent speed regulation with light braking, whether on impossible descents or maximum speed sections.

To guarantee grip on all types of terrain and protect against punctures, Bulls has chosen tires from the reputable German company Schwalbe, the Schwalbe Magic Mary and Big Betty, 62-622. With proven durability in a multitude of conditions, great grip and extraordinarily lightweight, these tires will take you to any backcountry no matter how difficult the access. The 29-inch diameter of the tread, while slightly raising the center of gravity and requiring more effort to move the wheel at the most extreme moments of the ride, will also make the irregularities of the trail more bearable and make it easier to get the most out of every pedal stroke, where the 29-inch excels like no other.

The Limotec Alpha 1 Light hydraulic seatpost and Prologo Proxim 450 Sport seat provide maximum comfort and performance on the road. As a good all-rounder bike, it includes the Monkey link connect system at the front and rear so that you can easily connect the front and rear lights by magnets if you wish (the light system is not included as standard, please contact our customer service team for more information).

Onboard the BULLS SONIC EVO EN-SL 1 Enduro we will enjoy riding our jet with the greatest possible comfort, over the most difficult terrain, at ultra-high speeds that will astonish our companions who dare to practice mountain biking with us.

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