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Kalkhoff Endeavour 5.I Advance 2019 Step-Through Electric Bike


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Product Details

Kalkhoff Endeavour 5.I Advance 2019 - Open Frame E-Bike

With its high capacity 500Wh battery enclosed inside the frame downtube, Kalkhoff bring a new integrated stealth look to their Endeavour Advance electric bike.

Enclosing the battery inside the downtube creates such a normal-looking bike, there's a good chance that cyclists you overtake won't even realise you're riding with the assistance of an Impulse Evo RS, 36 V / 250 W motor.

Key Features
The bike itself is an especially clean take on the Euro trekking bike theme. That is, it's a fully equipped commuter/hybrid bike equally at home on smooth roads or rough tracks - albeit with a 250 Watt motor to ease the strain of riding uphill and into headwinds.

  • Svelte aluminium alloy frame
  • The Suntour NEX suspension forks help smooth bumpy roads and tracks
  • The fork travel can be locked out for more efficient climbing
  • The 15mm front and 12mm rear through-axle design borrows from the best MTB technology to create a more solid and secure interface between the wheels and the frame and fork
  • Smooth Shimano SLX 1x10 gear shifter and mech
  • Quality hydraulic disc brakes - why you want them
  • Rodi rims on Shimano hubs make for a superb pair of reliable wheels
  • The wheels roll on durable, puncture resistant Schwalbe 700x47 tyres
  • The bike is fitted with full mudguards and chainguard to help you stay clean
  • It also comes with a rack to carry panniers
  • Then it's fitted with a heavy duty kickstand for easy parking when there's nowhere convenient to lean the bike
  • The high quality front and rear LED lights are powered by the main battery (like a car's lights)
  • These lights are bolted onto the bike - the front at the fork crown and the rear on the back of the pannier rack - so you'll never be caught out without them
  • The adjustable stem makes it easier to achieve the most comfortable bar height

Why we introduced Kalkhoff bikes to our range - the blog.

Kalkhoff E-Bikes Size Guide

The sizing below is a guide only, so please get in touch if you're unsure or between sizes. Height is in feet and inches.

  • Small: 5' 1" - 5' 5"
  • Medium: 5' 4" - 6' 1"
  • Large: 6' 0" - 6' 3"
  • Extra Large: 6' 2" - 6' 5"

Why Buy From Us?

  • Voted Britain's Best Bike Shop 2017/18
  • Rated excellent on Trustpilot by our customers
  • Free bike delivery
  • No fuss returns
  • Bikes arrive built by expert bike mechanics
  • Independent since 1977 - cooperative, not corporate. Read our story.

More Reasosn to Buy the Kalkhoff Endeavour 5.I Advance

Impulse power-assist motor
You can buy the Endeavour Advance confident in the knowledge that Kalkhoff have sold over 400,000 e-bikes powered by German engineered Impulse motors and batteries.

This is a Centre Drive system, designed and manufactured in Germany where Kalkhoff are respected as the number one manufacturer of electric city/trekking/hybrid bikes. That's a significant accolade when you consider that Germany is Europe's biggest, fastest growing and most discerning eBike market.

The Impulse Evo RS motor is mounted at bottom bracket level (the strongest part of any bike) to power the crank (in contrast with most e-bikes which are front or rear wheel hub drive).

  • Most riders find Centre Drive power assist feels more natural than a hub-drive system
  • With the motor low down at bottom bracket level at the bike's mid point, the bike feels better balanced than an e-bike with the motor on the front or rear hub
  • With its lower centre of gravity a Centre Drive e-bike feels more stable
  • Wheel fitting/removal is much easier when the motor is central rather than wheel driven
  • Shift-sensor technology - the power assist cuts out for a fraction of a second when you change gear to prevent the jarring that can occur when you shift under load
  • This 80Nm torque motor has the muscle to get you going from a standing start up a steep incline
  • The classy Impulse Evo Smart bar mount computer has an easy to read LCD display so you can keep an eye on battery level, power mode, speed, trip distance and odometer
  • The Impulse Evo Smart computer can be bluetooth connected to your smart phone's navigation app
  • The 500Wh Impulse battery is perfect for rides up to around 80km on mixed terrain and will be good for over 1,000 charge cycles (so it will last twice as long as many e-bike batteries)
  • Walk mode comes in very handy if you ever have to push the bike - say up one of those bike ramp/gutters sometimes thoughtfully located beside stairs
  • In compliance with EU and UK law, this e-bike is a pedal bike with up to 250W power assist, which cuts out once you reach 25KPH (15.5 MPH)
  • This limiter doesn't prevent you going faster 'the old way' - by pedalling harder

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Technical Specifications

Kalkhoff Endeavour 5.1 Advance 2019 
FrameIntegrale 0.5, aluminium
ForkSuntour NEX suspension fork with lockout
MotorImpulse Evo RS, 36 V / 250 W, with shift sensor Technology
DisplayImpulse Evo Smart Compact, with bluetooth and USB charging socket
BatteryImpulse Evo Li-Ion 36 V
BrakesShimano M396, hydraulic disc brake
Gear ShifterShimano SLX M670
Rear DerailleurShimano SLX M670
Crank setConcept 38t
HandlebarConcept EX Riser; Concept EX Ergo Riser
StemConcept EX adjustable
SaddleSelle Royal Lookin
Seat postConcept EX
Front hubShimano Deore M6010, 15x100 mm thru axle
Rear hubShimano Deore M6010, 12x142 mm thru axle
Wheel rimsRodi Blackrock, with eyelets
TyresSchwalbe Marathon GT Tour, 47-622 / 700x47
HeadlightsHerrmans H-Black MR8, LED
Mudguardsplastic, with edge protector
Luggage carrierRacktime System Carrier Light, with integrated rear light
Bike standrear kickstand
PedalUrban, with anti slip protection and reflector
ChargerImpulse, 3A
Battery capacity13.8 Ah (500 Wh)
Manufacturer's published maximum range155 km (based on easiest, no wind, no hills conditions)
80km in mixed conditions is perhaps more realistic


Our suppliers reserve the right to change specifications and prices without notice. Edinburgh Bicycle Cooperative will do all it can to maintain prices and specifications on this web site, however we do reserve the right to change specifications and prices without notice. Similarly, despite the wonders of modern computers, it is realistic to expect the colour of any item bought to differ subtly from the image online.