Six50 EVO Street



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The Bulls Six50 EVO Street is an exceptional city and commuter e-bike which, besides a combination of powerful drive and fully integrated battery pack, shows high performance and top-notch components across the board.

The top of the range Bosch Performance Line CX motor provides ample torque for quick starts from traffic lights and enough support to make the steepest of hills a breeze to climb. The Bosch Powertube 500Wh battery has the capacity for longer rides, and is integrated into the downtube for a sleek look, better balance and lower centre of gravity. The battery can be easily removed for charging or security, and is locked with a key for peace of mind when keeping your bike outside.

The SR Suntour XCR suspension fork smooths out the bumps in the road. Premium Shimano Deore 10-Speed derailleur gears and Shimano BR-M315 hydraulic disc brakes round out this excellent all-rounder electric bike.

This is a e-MTB fully equipped for all year round commuting, with full mudguards, rear rack and front and rear lights. Schwalbe Super Moto-X tyres are fast rolling, comfortable and provide excellent grip on tarmac in all conditions.

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)13,4 Ah
Battery capacity (Wh)500 Wh
Charging time 100%
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 32 LO
Travel120 mm
Rear derailleurShimano Deore RD-M592-SGS Shadow
ShifterShimano Alivio SL-M4000
Gears9 derailleur gears
Crank setMiranda
CassetteShimano CS-HG200-9 11-36T
BrakesShimano BR-M315 hydraulic disc brakes
Brake leversShimano BL-M315
HubsSTYX Aluminium
TiresSchwalbe Super Moto-X
Tyre size65-584 (27,5 x 2.60)
Front lightFuxon DHL F170 EB
Rear lightSupernova E3 Tail Light
MudguardsMud guards
Weightca. 24,4 kg
Maximum rider weight115 kg


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