Bulls E-Stream EVO AM 4

The "E-Stream EVO AM 4" model from Bulls, released in 2023, is a high-quality e-mountain bike characterised by its advanced technology and robust construction. The price for this model is 6,499 EUR. The frame is made from 6061 aluminium, manufactured using the hydroforming process, and is designed to accommodate a 1.8 steerer tube. The internal cable routing and thru-axle further contribute to its sturdy and clean appearance. The maximum permissible weight is 150 kg, which is indicative of its solid construction.

SHIMANO BR-M8120 brakes are fitted, with 203 mm brake discs and Centre Lock at both the front and rear. The drivetrain consists of a SHIMANO Deore XT RD-M8100 shadow+ 12-speed rear derailleur, controlled via SHIMANO Deore XT SL-M8100 shift levers with RapidFire+ and I-Spec-EV. Suspension is provided by a RockShox Lyrik Select RC fork with 150 mm of travel and a RockShox Deluxe Select+ RT shock absorber, also with 150 mm of travel.

The bike is fitted with MonkeyLink Connect mounts for front and rear lights, although the lights themselves are not included. The pedals are ZECURE MTB pedals, and the crankset is from FSA with a length of 165 mm. The cassette is a SHIMANO SLX 12-speed with a gear range of 10–51T. Power is transmitted via a GATES® CDX system.

The handlebars are a Sport-SL CCS model, and the grips are MTB Sport grips. The stem is an MTBi-Sport, CCS Slot Mount-ready, and the headset is an acros AZX-262 310.52.570R1. The rims are RYDE Disc 30 and tubeless-ready, fitted with MAXXIS Minion DHF EXO TR and MAXXIS Minion DHR2 EXO TR tyres in size 66-622. The hubs are SHIMANO HB-MT400-B at the front and SHIMANO FH-MT410-B at the rear, both with Centre Lock.

The saddle is a SELLE ROYAL Vivo Ergo model, and the seatpost is a LIMOTEC Alpha 1 with a diameter of 34.9 mm and a travel of 125 mm (S) or 150 mm (M/L/XL). Mudguards are fitted to the fork in the form of RockShox mini fenders.

The motor is a BROSE FIT S-Mag PRO with a top speed of 25 km/h and a torque of 90 Nm. The battery is a FIT UltraCore with a capacity of 555 Wh, and the display is a FIT LCD Remote. A FIT charger with a 4A output is used to charge the battery.

Overall, the E-Stream EVO AM 4 offers a comprehensive range of features and robust construction, making it a reliable companion for challenging trails and long rides.