Tailwind Trail Crossbar


9 speed shimano drivetrain for smooth and reliable shifting. The 11-34T Shimano Hyperglide casette gives you an ideal range of gears for breezing up the steepest hills and putting power down on the flat.

Enjoy reliable and powerful braking from the Wisper Hydraulic disc brakes. The Wisper three finger brake lever offers a comfortable and powerful brake lever action for all hand sizes.180mm front and 160mm rear discs offer powerful braking and smooth modulation for optimum control in even the loosest conditions.

Backlit LCD Display for a clear overview of all your information so you can focus on enjoying the ride! View your current speed, battery level, assistance level, average speed, trip distance and lifetime odomoter all at the touch of a button.


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  • Motor:  Wisper High efficiency, 250W hi torque brushless motor, easily ridden past 15.5mph with almost no motor drag
  • Throttle:  Standard: Thumb throttle to 4mph (6km/h) and Thumb throttle to 15.5mph (25km/h) when pedalling. Full throttle option available.
  • Throttle only range:  Using your Wisper bike on throttle only will reduce your range by up to 30%. If your bike has been upgraded so it works on the throttle only, we still suggest pedalling when you are able to do so. Use the throttle only function when you need to rest or to help you pull away when setting off.

Battery:  Lithium standard slimline 360Wh or long range 540Wh Lithium

Max Range 360Wh: 50 miles (80km)
Max Range 540Wh: 70 miles (110km)

  • Controls:  Wisper Back lit LCD display with remote controls
  • Weight:  360Wh: 19Kg  540Wh: 20kg
  • Frame:  Wisper Tailwind 6061 alloy hand welded, custom butted tubing / tapered headtube / BB68 / Internal cable routing / replaceable hanger

Mudguards: Available

Frame Size:  19″ 48cm

Colour:  Stone

  • Fork: RockShox Judy 100mm travel with remote lock out
  • Chain-set:  Black alloy 48T chainring Crank length 170mm
  • Rear Derailleur:  Shimano Alivio Shadow design 9 speed derailleur
  • Shifter:  Shimano Alivio 9 speed M3100 rapidfire shifter
  • Cassette:  Shimano CS HG400 11-34T
  • Chain:  KMC X9 rust resist 9 speed
  • Stem:  Alloy 6061 oversized 31.8mm / 1 1/8″  6° angle
  • Handlebar:  Alloy 6061 Flat  9°  740mm
  • Seat post:  Black anodised alloy 30.9 x 350mm
  • Saddle:  Wisper Comfort
  • Brakes:  Wisper Hydraulic 180mm disc front and 160mm disc rear
  • Wheels:  Alloy black anodised double wall 27.5” x 1.24″ (31.4mm)
  • Tyres: Goodyear Peak 27.5×2.25

Max Load: including luggage 21 Stone / 135kg



Additional information


Black, Stone


360 wh, 540 wh


Wisper Back lit LCD display


360Wh: 19Kg 540Wh: 20kg


RockShox Judy 100mm travel with remote lock out

Rear Derailleur

Shimano Alivio Shadow design 9 speed derailleur


Shimano Alivio 9 speed M3100 rapidfire shifter


Alloy 6061 oversized 31.8mm / 1 1/8″ 6° angle


Alloy 6061 Flat 9° 740mm