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Z4 21-Speed Folding Electric Mountain Bike 26" - Black

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SKU ZIPPER-Z4B

Quick Overview

The Z4 is our top of the range mountain eBike featuring front and rear adjustable suspension, 21 speed Shimano gearbox and powerful 250W motor. This electric bike has a unique folding aluminium frame with patented safety lock and battery stored inside the frame for added protection and waterproofing. Folding and unfolding the bike is easy with the quick release lock for easy transport and storage. The bicycle is available in black or white finish.

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Regular Price: £1,259.00

Sale Price: £893.38

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Z4 21-Speed Folding Electric Mountain Bike 26" - Black

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Details

Brand new version with LCD control panel for greater setup control and information!

The Z4 is our top of the range e-bike featuring front and rear adjustable suspension, folding aluminium frame with patented safety lock and 21 speed Shimano gearbox. 

Like the Z6 this is a fully capable mountain bike but this one has the benefit of being able to be folded up for convenient storage and transport. As the frame can be folded it means the lithium battery can be stored inside keeping it safe and dry. 

During the week take advantage of the electric power system to nip around at a fraction of the cost of a car or motorbike and then at the weekend hit the trail for some off road fun. 

The brushless motor has plenty of power and will push the bike to the UK maximum legal speed of 25KM/H making it totally road legal. Just select how much help you want from the electric system using the easy selector, start pedaling and the motor will assist. Please note with this new version the maximum speed the bike will go without moving the pedals forward is 6km/h. 

Other features include kick stand, battery life indicator, battery lock and rust resistant chain.

 

FOLDABLE BICYCLE
Folds for easy transportation and storage

Foldable


QUICK RELASE SEATPOST
Spring loaded for added comfort and smooth ride

Seat 


QUICK RELEASE FRONT WHEEL
Minimising folded space for storage or transit, and for ease of road side repairs

 Wheel release


ALUMINIUM FOLDING FRAME
Lithium battery in frame for protection, with patented locking mechanism

Folding


ELECTRIC MOTOR
Rear mounted 250W brushless motor

Motor


BATTERY LED
LED battery charge indicator

Throttle


BRAKE LEVER & PAS
Smart brakes which cut power to the motor when applied, making sure you get the most distance out of your battery life, and pedal assist system with level selector

Brake


WAVY DISC BRAKE
Wavy drilled front and rear disc brake discs, with front anodized aluminium red hub

Brake


SUSPENSION
Preload & lockout on front suspension

Suspension


LARGE 26" WHEELS
With off road ready tyres

 Wheels


KICKSTAND
Traditional style kickstand for parking

Kickstand


MUDGUARDS
Classic Style Fenders

Mudguards


SHIMANO GEAR SYSTEM
21-Speed Shimano gear and derailleur

Gear


ALUMINIUM ALLOY FRAME
Making it durable and lightweight

 Frame

  • Full Online Spare Parts Backup

As with all bicycles, a Zipper e-bike must be used and maintained properly in order to function correctly. Please read the instruction manual carefully before attempting to assemble and use the bike, as it contains vital safety information to ensure the continued performance. If you have any queries, please feel free to contact our customer service department.

Additional Information

SKU ZIPPER-Z4B
Manufacturer Zipper Bikes
Engine / Motor Size 250W
Deck Material Aluminium
Fuel Type Electric
Fuel Consumption No
Fuel Tank Capacity No
Max. Range Around 40km depending on weight and motor use.
Battery 36V 9AH Lithium
Charge Time 6-8hrs
Max. Speed 25KM/H
Max. Power (Kw/Rpm) No
Max. Torque (N.M/Rpm) No
Front Brakes Front disc brake (160mm disc)
Rear Brakes Rear disc brake (160mm disc)
Front Suspension Aluminum suspension fork. Suspension is lockable and adjustable. 100mm travel.
Rear Suspension Rear pivot suspension
Front Tyres 26 Inch
Rear Tyres 26 Inch
Starting System No
Ignition No
Transmission 21 Speed Shimano gearbox
Wheel Base 1600mm
Seat Height No
Ground Clearance of Pedals: 130mm
Net Weight 25.5kgs
Engine Type No
Engine Bore x Stroke No
Compression Ration No
Drive Train No
Recommended Age 14+ Years if used without supervision & 120kg max load
Licence Requirements Zipper e-bikes meet the 'Electrically Assisted Pedal Cycles' (EAPCs) requirements and are therefore classed as normal pedal bikes. This means you can ride it on roads, cycle paths and anywhere else pedal bikes are allowed without a license or tax.
Packing Info Around 30 minutes minor assembly required. Download instructions for more information.
Extra Info.

Electric bike may arrive with slight blemishes or minor scratches from transit. We cannot replace bikes for this reason. Please be aware of this before purchase.

Folded size: 1020mm long x 400mm wide x 900mm high

Unfolded size: 117cm (axle to axle), 65cm (seat to handlebar stem)

The battery can be easily removed to lighten the weight.

Download Instructions Brake Adjustment Guide

LCD Instructions

Z4 Manual
Spare Parts For This Model Available From Scootercity.co.uk

Available Downloads For This Item:

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Questions:

Posted by David, Monday, 22 October 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Hi Couple of questions 1) Can you buy replacement batteries for the Zipper, if so what is the make? 2) The wheels I assume are 26in However I’m 6 foot 2inc tall would the frame be suitable for me? I look forward to hearing from you

Answers:

  • Posted by Sales 1 on Monday, 22 October 2018
    Hello - thank you for your question. 1. Yes you can purchase replacement batteries for all Zipper products, these can be found on our website. The manufacturer of these are Zipper bikes. 2. The frame would be suitable for someone of your height.
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Posted by Mark, Monday, 22 October 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Can the 25k restrictor be lifted?

Answers:

  • Posted by Sales 1 on Monday, 22 October 2018
    Hello - thank you for your question. We would not advise doing this for safety purposes.
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Posted by John Fox, Monday, 15 October 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Hello, With the saddle at its maximum height what is the measurement from the top of the saddle to level ground the bike is standing on? Many thanks John Fox

Answers:

  • Posted by Sales 1 on Monday, 15 October 2018
    Hello - thank you for your question. The maximum seat height for this model is approximately 97cm.
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Posted by Denise, Friday, 14 September 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Can you use this as a regular bike and use the electric assist as and when and how long does it take to recharge the battery?

Answers:

  • Posted by Sales 1 on Friday, 14 September 2018
    Hello - thank you for your question. Yes this bike can be used with or without the pedal assist. The battery takes approximately 6-8 hours to fully charge. I hope this helps you!
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Posted by kevin , Wednesday, 30 May 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Where do I purchase new brake pad from for a z4 .

Answers:

  • Posted by Sales 1 on Wednesday, 30 May 2018
    Hello - Thank you for your question. All spare parts for the Zipper e-bikes can be found on our website. Here is a handy link to the spare parts page for the Z4: https://www.scootercity.co.uk/spares/shopby/z4_folding_mountain_e_bike/rear_wheel_brake_parts.html I hope this helps you!
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Posted by Stephen, Monday, 14 May 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Is the battery removable?

Answers:

  • Posted by Sales 1 on Monday, 14 May 2018
    Hello - Thank you for your question. Yes the battery is removable,
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Posted by Joanne, Tuesday, 1 May 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

What distance does this bike be expected to travel on one single charge ?

Answers:

  • Posted by Sales 1 on Tuesday, 1 May 2018

    The Z4 e-bike travels approximately 40km on one signle charge depending on the weight of the user and motor use.

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Posted by Gail Mackay, Monday, 26 February 2018 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Hi, what are the dimensions when folded please. Can’t see this info.

Answers:

  • Posted by Sales 1 on Monday, 26 February 2018

    Hi the folded size is 1020mm long x 400mm wide x 900mm high.

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Posted by Gary Johnson, Monday, 9 October 2017 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Good morning. What is the guarantee on the bike? What is the guarantee on the battery? How much is the price to replace the battery? and also is the battery readily available? Do you stock all spares for the bike? Many thanks in advance. Gary Johnson.

Answers:

  • Posted by Sales 1 on Monday, 9 October 2017

    The bike and battery have a 6 month warranty, we do stock spare batteries and they are priced at £220.18. Please see the below link.

    https://www.scootercity.co.uk/spares/electric-bike-spares/zipper-z4-electric-bike-spare-parts/36v10ah-li-po-battey-for-z4-e-bike.html

    Addional spare parts can be found by selection the spare parts butto at the bottom of the product page.

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Posted by Robert Shackleton , Monday, 19 June 2017 on product Z4 21-Speed Folding Electric Mountain Bike 26" - Black

Question:

Hi there Does it come with a charger and can replacement battery be purchased

Answers:

  • Posted by Sales 1 on Monday, 19 June 2017
    Hi, Thank you for your question. Yes a charger is supplied. You can find a spare battery here: https://www.scootercity.co.uk/spares/electric-bike-spares/zipper-z4-electric-bike-spare-parts/36v10ah-li-po-battey-for-z4-e-bike.html
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