Technical Specification
- 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
- Frame Size: 19″ 48cm
- Colour: Black or Stone
- Fork: Alloy twin blade
- Chain-set: Black alloy 48T chainring Crank length 170mm
- Rear Derailleur: Shimano Altus 8 speed derailleur
- Shifter: Shimano Altus 8 speed shifter
- Cassette: Shimano CS HG400 11-34T
- Chain: KMC X9 rust resistant 8 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: Kenda 27.5” 2.2 high puncture resistance with reflector
- Max Load: including luggage 21 Stone / 135kg