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This bike is fun and effortless, with an easy access step through frame. We have redesigned the shape with a low sweeping frame and simple fold design. We added hydraulic brakes and 16Ah Li-ion battery Panasonic. It comes standard with metal fenders and a solid rear rack.
Please Note: The Mariner Step-Thru in white color is currently in stock and ships in 5 days. Delays are possible.
Please Note: The Mariner Step-Thru in grey color is currently out of stock.
Special Price $1,749.00
RETAIL $2,499.00

Ships from
Blaine WA, USA.

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500W Pure Power

BAFANG is the world’s biggest manufacturer of hub motors for e-bikes. VoltBike Mariner is using Bafang G06 series geared motor which provides 80 N.m. max torque and up to 750w of peak power. The Bafang G06 series is remarkable for its high efficiency and power thanks to the integrated nylon planetary gears. 32 km/h
top speed

Panasonic Battery

VoltBike Mariner is using 48v 16Ah battery pack with Panasonic NCR18650B cells. Do you know that the Panasonic 18650B was the power behind the Tesla Model S vehicles for a long time? The Panasonic NCR18650B 3400mAh battery is certainly one of the most famous batteries in this category. 60 - 80+ km
per charge

Extra Smooth Ride

Voltbike Mariner comes standard with lockout suspension Mozo FatMan-20 which can handle up to 5.2 inches wide tire. Designed for quick release axles and bolt on axles. 135mm dropout, 32mm stanchions, 210mm steerer tube, 90mm travel. Weight is only 7lbs.

Sturdy Rear Rack and Mudguards

VoltBike Mariner comes standard with rigid metal fenders which can sustain the highest abuse on the trail. Also comes with rear rack which features extra wide tubing so you can carry more load compared to our rivals.

Hydraulic Stopping Power

Voltbike Mariner is using Tektro Auriga hydraulic front and rear disc brakes with 180mm rotors. Tektro Auriga comp disc brakes features an open system design using non-corrosive and environment-friendly mineral oil. Features dual piston design, melt forged caliper body with automatic positioning via front or rear adapters.

Puncture Resistant Fat Tire

Fat tire bikes provide improved grip and traction on the most troublesome terrain by adding extra contact surface. Voltbike Mariner comes with puncture resistant tires Kenda Juggernaut K-Shield. Reflective liners are adding extra visibility at night.

Always Visible

Mariner is equipped with a high lumen front LED light with a consistent, well-focused beam pattern. Rear LED light powered using the main battery pack. Features brake light functionality that is activated any time the brakes are applied. Reflective tire liner ensures you are visible from the side.

Simple Controls

Our redesigned cockpit includes large easy to read LCD screen which shows all the important information like speed, battery level and current load. Get instant power with the integrated half-twist throttle with and on/off button which helps prevent accidental activation.

Easy to Fold

Mariner can be easily folded to fit anywhere and also saves space at home wherever you choose to store it! When folded it measures at only 45"x26"x19" (length x height x width).

Extremely Customizable

Customize your Mariner with over 20 VoltBike certified accessories. Choose a top tube bag to carry your cell phone or pannier bag to carry bigger cargo. Add front rack on your bike to carry even more load.


More Information
Frame TypeStep-Through
Motor TypeWheel Hub
Battery StyleSlide-on
Motor48v 500W Hub Motor Bafang
Battery48V 16Ah Panasonic Li-ion
Frame Size17" Step-Through
Bottom BracketNeco 910, 23.5mm + 120mm + 23.5mm
BrakesHydraulic disc brakes front/rear Tektro Auriga HD-E500
Brake LeverWuxing 108PDD+BS108 with safety power cut
ChainKMC Rust Buster
CranksetAluminum Alloy-6061 52T Crank, 165mm with Outer Guard
Derailleur GuardRear Metal Derailleur Guard
ForkMozo Fatman-20 with 80-120mm travel
Freewheel / CasetteSunrace M2 Freewheel Super-Low 7 Speed 13-34T
HubsetAlloy 6061 Electric Motor
PedalsWellgo F-265T Folding Pedals
Rear DerailleurShimano Acera RD-410 7 speed direct rear derailler
Rims20 inch with 36 spokes
Seat PostPromax SP-252 Aluminum 6061 Alloy, 27.2mm*350mm
SeatVelo VL-8020E
Shifter TypeShimano Tourney TX50R6CT Thumb Shifter Plus 7-Speed
StemAluminum Alloy SVMONO SM-A150-8R, diameter 28.6mm, bore: 25.4mm, weight: 520g
TiresKenda Krusade K1188 20x4, Wire Bead
Folded Dimensions45"x26"x19" (length x height x width)

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Product Questions (8)

When I squeeze the brake handle, a brake symbol with a exclamation shows up. Why ?
This is the brake sensor icon letting you know that it is stopping the motor from functioning while the brake is engaged. These bikes come standard with motor power cut inhibitors. There is a switch which cuts the power to the motor as soon as you engage...
Can the seat stem be replaced with one that has shock absorber capability?
Yes, you can replace the regular seat-post with suspension seat-post. You need to make sure that the new suspension seat-post does have the same diameter. VoltBike Mariner for example is using seat post with diameter 30.4mm. I personally don't see much...
How do you remove the battery from the VoltBike folding ebikes?
To remove the battery for any of our electric folding bike, you will need to remove the seat first. After that, you will need to unlock the battery. If you turn the key on your battery counter clockwise past the point where you can pull out your key, ...
My husband is 300 lbs. What is the payload for this bike? Do you recommend another that would be more suitable?
The maximum recommended weight for the folding ebike Mariner Step-Thru is 300lbs. Your husband should be fine with this electric bike, but some components may wear down a little bit faster due to his weight. He might be better off getting the Yukon, ...
Where can I take my Mariner ebikes if I need to fix them in Vancouver?
Our headquarter is located in Port Coquitlam, BC, Canada which is close to Vancouver, and we would be happy to fix your electric bike. Our location is 1579 Kingsway Ave Unit 1125, Port Coquitlam, BC, Canada and we are open Monday to Saturday at regular...
What is the motor torque on the Mariner Step-Thru? Can you get a bigger battery to give it more range? Is this bike in stock right now?
The motor we use on the folding electric bike Mariner Step-Through is Bafang 48v 500w power and 80 N.m. of torque, At this point of the time the bike comes standard with 16Ah Li-ion battery with Samsung cells. We do not have option for upgrade, but you...
Can I upgrade the Mariner battery to a 19.2Ah and if so what cost
The battery which comes with the folding fat bike Mariner is 16Ah Li-ion with Panasonic cells. This battery provides decent range of 80km+ depending on the terrain. Unfortunately we don't offer upgrade to 19.2Ah at this point of time.
What PSI should Fat Tire bikes be inflated to?
You will want your tire pressure to be between 10-30 PSI on roads, but you can go as low as 5 PSI if you are riding in the snow.
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Sizing Chart










43.5" - 48.75"


31.5" - 40"


20" x 4"





Parts Included

Our bikes ship 95% assembled with everything you’ll need to get up and running, including:

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