Bulls SONIC EVO SX 2

The "SONIC EVO SX 2" model from the "Bulls" brand, released in 2024, is a high-quality e-mountain bike that stands out for its advanced specifications and the use of state-of-the-art materials. Priced at 6,399 EUR, this bike offers a wide range of technical features and components that are suitable for both challenging trails and longer rides.

The bike’s frame consists of a carbon fibre monocoque, which not only ensures high stability and low weight but also features internal cable routing and provision for a telescopic seatpost. The maximum load capacity is 130 kg, which is indicative of its robust construction.

Braking performance is provided by TRP C2.3 RX hydraulic disc brakes, fitted with 203 mm CL brake discs at both the front and rear. Shifting is handled by the SRAM GX Eagle AXS system, which is combined with a shift lever of the same model and offers a total of 12 gears. The crankset consists of a 160 mm SRAM GX crank, whilst the cassette is an SRAM XG 1275 Eagle with a 10–52T range.

The RockShox SID RL Boost DEBONAIR fork, with 120 mm of travel, ensures excellent damping and control on uneven terrain. The lighting system is MonkeyLink Connect-compatible; the front light is not included, whilst the rear light is integrated as a MonkeyLink Twinlight.

The pedals are ZECURE MTB pedals, the handlebars are BULLS riser bars and the grips are Prologo Proxim Enduro. The stem is an MTB-SLS, CCS Slot Mount ready, and the headset is an ACROS AIF-531 1.5". The tyres are SCHWALBE Smart Sam Performance 60-622, fitted to a MAVIC E-Crossmax XL S CL wheelset. The saddle is a Prologo Proxim 400, and the seatpost is a Limotec Alpha 1UH with a diameter of 31.6 mm and a rise of 150 mm, fitted with an SL-MT500-IL.

The bike is secured with an ABUS battery lock and powered by a Bosch Performance Line SX motor with an output of 25/55 Nm. The battery is a Bosch CompactTube with a capacity of 400 Wh and is charged using a 2 A charger. The display system consists of a Bosch Mini Remote and a system controller, which enable simple and intuitive operation.

Overall, the SONIC EVO SX 2 from Bulls offers an excellent combination of performance, technology and comfort, making it an outstanding choice for discerning mountain bikers.