Six50 E2



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Sturdy components, expert frame design and integration of the BOSCH drive unit make the Bulls Six50 E2 an e-mountain bike that makes riding a pleasure, whatever the terrain. Thanks to the relaxed frame geometry, the Bulls Six50 E2 offers a slightly upright seating position that not only allows for a perfect overview of the road and traffic, but also ensures comfort during longer rides.

The top-of-the-line BOSCH Performance Line CX motor has more than enough torque to take riders up even the steepest hills. The Bosch battery is easily removed for charging, and is secured with a key for peace of mind when locking the bike outside. Option of 400Wh or 500Wh capacity.

SR Suntour XCM suspension forks, Shimano Deore 10-speed derailleur gears, and high-performance Magura MT4 rear and MT5 front hydraulic disc brakes round out this impressive value e-MTB package.

If you’d like a test-ride please call in at our London, Leicester or Suffolk branches, or email us to arrange a date.

Bosch Performance Line CX

Bosch Performance Line CX

The Performance Line CX is the most powerful motor from Bosch. With a maximum torque of 75 Nm, the Performance Line CX is the ideal drive for ambitious and demanding eBikers. In eMTB mode, you always receive the required power – from Tour to Turbo. Up to 300% of perfectly delivered support, incredible dynamism and unique grip provide the best possible support on all terrains, as well as improved start-up behaviour. The progressive motor support automatically adapts to the individual’s riding style, so there is no need to change support modes in eMTB mode.

  • Direct flow. Perfect support as soon as you step onto the pedals means that starting on steep slopes is significantly easier.
  • No trigger. Thanks to the new eMTB mode, there is no need to change support modes, so the rider can concentrate fully on the trail
  • Trail Control. Enables effortless riding and optimal traction thanks to improved control, even on challenging uphill sections or when encountering difficult obstacles.
  • Maximum momentum. A torque of up to 75 Nm ensures sporty acceleration even in alpine terrain, without changing gear.
  • More walk-assistance power. Stronger support up to speeds of 6 km/h makes pushing your bike much easier. Available from autumn 2018 and backwards compatible for all Performance Line CX systems.
  • eMTB mode. For a powerful start uphill and in rough terrain. Improved moving-off behaviour guarantees optimal support in all terrains and on any trail. Noticeably easier, sporty starting as soon as you step onto the pedals.

▶ Peak power: 500W (250 max continuous)

▶ Peak torque: 75 Nm

eMTB Mode

The eMTB mode replaces the former sport mode with the Performance Line CX and varies between ‘Tour’ mode and ‘Turbo’. A maximum torque of up to 75 Nm strenghtens the motor and the rider’s personal contribution between 120% and 300%.

Depending on the pedal pressure the progressive motor support adjusts automatically to the individual’s riding characteristics. Without shifting gears the engine supports even slight pedal revolutions constantly with ideal performance. The ride on steep slopes is almost effortless. This ensures a natural riding sensation and maximum performance on the trail.


Motor manufacturerBosch
Drive unitBosch Performance Line CX
Motor typeMiddle motor
Torque250 Watt
Assistance speedup to 25 km/h
Power packBosch
Power typeLithium Ionen
Battery voltage36 V
Battery capacity (Ah)11 Ah, 13,4 Ah
Battery capacity (Wh)400 Wh
Charging time 100%ca. 3,5 hrs
Charging time 50%ca. 1,5 hrs
DisplayBosch Intuvia
FrameAluminium Hydroforming,Tapered Steerer, internal cable routing
Frame size41 cm, 46 cm, 51 cm, 56 cm
Wheel size27,5+ inch
ForkSR Suntour XCR 34 Air Boost RLR DS
Travel100 mm
Rear derailleurShimano Deore RD-M6000GS
ShifterShimano Deore SL-M6000
Gears10 derailleur gears
Crank setMiranda Beta
CassetteShimano CS-HG500-10 11-42T
Front brakesMagura MT5 hydraulic front disc brake
Rear brakesMagura MT4 hydraulic rear disc brake
RimsBULLS AS-35P ECCTRIC tubeless ready
HubsSTYX Aluminium
TiresSchwalbe Smart Sam
Tyre size65-584 (27,5 x 2.60)
StemMonkey Link 1
Weightca. 21,8 kg
Maximum rider weight115 kg


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