Penmarin House, Commercial Road 
 
 
 
 
 
 
 
 
 
Electric Bikes 
Islington Wharf, Penryn, Cornwall,  
TR10 8AT 
 
 
THIS WEEKS OPENING TIMES Monday-Wednesday 
10.00-4.00 
 
 
 
 
 
 
 
 
Wisper 905SE Step over, with or without front suspension 
 
Available with either 375wh or 575wh battery. 
 
The new Wisper 905SE sports the same fine hand built frame (10 year warranty) as the top of the range Wisper 905Torque. We use exactly the same batteries, rack and disc brake rotors back and front, with 180mm front rotors for safer, smoother braking. 
 
Newly developed light weight blade forks, or the optional front suspension offers great handling on the road. 
 
Our Wisper 905SE range is finished in matt stealth black. 
 
 
Motor 
High efficiency, 250W hi torque brushless rear wheel drive 
Battery 
Lithium with advanced battery management system (BMS) Medium range 375Wh 3kg Long range Samsung 575Wh 4kg. Both batteries use identical battery cases so are interchangeable between 705SE. and 905SE Torque Wisper bikes 
Remote Control Service System (RCSS) on 575Wh only Deep sleep mode. Protects battery during times of non-use on 575Wh only 
Battery case 
Polycarbonate/ABS mix, non conductive for extra safety, conforms to 2013 90cm drop test. 
Controller 
Sine wave controller for almost silent running 
Mains charger 
Lithium 42V output intelligent charger communicates with battery management system (BMS), auto stop when fully charged Standard battery 2A, Charge time 2.5 to 5hours Long range battery 3A, Charge time 2 to 4hours 
Connections 
All electronic components and motor wheel have individual connectors for ease of servicing 
Assisted range 
375Wh battery Average 35miles/55kilometers Max 50 miles/55kilometers 
575Wh battery Average 45miles/70kilometers Max 75 miles/120kilometers 
Assistance modes 
1. Throttle only: to 4mph/6kph 2. Throttle assist: complete throttle use when pedaling forward 3. Pedelec: with 4 levels of assistance power and safe mode 
Maximum speed 
15.5mph/25kph with powered assistance, this does not affect top speed when pedaling 
Controls 
Back lit LCD display panel with bike and light on/off switch Power assistance: four levels and safe mode Speedo, Range, Trip, Battery state, Clock 
Bicycle weight 
20kg without battery Including battery and all accessories 375Wh: 23kg 1575Wh: 24kg Load capacity 
135kg/290lb/20st 9lb 
Frame 
Hand welded,6061 Alloy T4 and T6 tempered Frame size 18” 46.5cm 
Finish 
Black Silk painted and lacquered, three stage oven hardened 
Forks 
Light weight alloy blade forks, or Top Gun suspension forks. 
Seat post 
350mm black anodised aluminium 
Saddle 
Wisper comfort 
Handlebars 
Black anodised alloy with ergo support grips 
Stem 
Black anodised alloy quick release adjustable 
Kick stand 
Black anodised alloy 
Gears 
SHIMANO 7 speed derailleur with 7 speed selector 
Chain ring 
170mm 52 tooth 
Chain guard 
Full, alloy Graphite Silk paintwork 
Chain 
KMC Z51RB rust resistant 
Cranks 
Anodised Black alloyDrop outs Stainless steel cassette Bottom Bearing Sealed bearing 
Pedals 
Alloy non-slip, sealed bearings 
Brakes 
Tektro vented 180mm disc brakes front and 160mm rear, 
Tektro Comfort levers with integrated bell 
Rims 
Alloy double walled 20” x 1.5” Spokes 13g black anodised 
Tyres 
Kenda 1088 20” 1.75 high puncture resistance with Kevlar and wall reflector 
Mudguards 
Polycarbonate shatterproof 
Lighting 
Front: 36V 15W LED, power from bike e-system Rear: 36V light, power from bike e-system Reflectors: front white, rear red, wheels orange and pedal reflectors 
Rear Rack 
A unique rear battery rack, certified to 25kg developed for the new Wisper 905 and 705 models. Simply bolt into the rear stays to form a solid rattle free mount. 
Metal fixings 
A4 grade stainless steel or alloy