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Stunner Step-Thru 6: Our Most Comfortable eBike

Sale price $2,349.00 Regular price$3,099.00
Save $750

+ Free battery upgrade from 17Ah to 20Ah ($499 value).
+ Free accessories included: Rack, Fenders, Front+Rear integrated lights, Kickstand, Comfort Saddle. ($449 value).

Say Goodbye to Aches and Pains from traditional Hunch-Over Bikes!

Meet the Stunner Step-Thru 6 Cruiser - it's like pedaling on a cloud. So comfortable, you might just forget to dismount. And the best part? No fussy derailleurs or high-maintenance drivetrains to wrestle with.

This gem is low on fuss but high on zip with 750W of power, giving you that 'wind in your hair' thrill without the 'ouch' in your back. Perfect for us seasoned riders who still know how to fly!
Note that this bike is not for the faint of heart. While it looks like a leisure cruiser, it is the perfect wolf in sheep's clothing. With 120Nm of torque, this bike is serious fun.

Steel Satin Grey

A sleek internal battery that provides reliable power and range to extend your ride!

[Select] Extra Discounted Battery
Extra Battery At Discounted Price

Add an additional battery to on a discounted price to give you an extra boost!

Motor Power

Program your motor to meet local eBike regulations or opt for unlimited speed and power suitable for off-road use only.


Suspension seatposts offer great riding comfort as they absorb many of the imperfections on the road/trail.

***Adding a suspension seatpost to your eBike will increase the minimum seatpost height by 100mm/4" to 150mm/6"

Illuminate your path to adventure with an upgraded eBike headlight, delivering superior visibility and style for night-time riding.

**The price is discounted from the regular price of $300.

Secure your investment by opting for an extended warranty through the BiktrixCare+ plan.

Shipping: Leaves within 6-7 business days
Sale price $2,349.00 Regular price$3,099.00
Lifetime Support
14 Days Return
Custom Built
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Cruise With Comfort.

Cruisers are the most comfortable electric bicycles thanks to the laid-back frame, sit-up straight riding position, and relaxed shoulder-level arm height. You'll feel right at home on The Stunner.

It Packs A Punch Too.

Change the way you commute, explore, and exercise with the all-new Biktrix Challenger eBike. With front and rear suspension, included fenders, and a powerful 750W geared rear hub-motor this eBike can take any challenge you throw at it. Make the bike your own with five exciting colours to choose from and an optional front basket.

Bells & Whistles? You Bet.

Removable 48V Lithium-Ion Battery

Our removable system is convenient. Twist the key and bring your battery inside to charge. We offer a variety of battery capacity options.

Suntour Front Suspension

The Suntour suspension fork helps deliver the smooth ride that the Stunner is known for.

Integrated Headlight

A bright LED will light your way when the sun goes down. It's powered by the bike's battery and can be turned on/off with a button on the handlebar control pad.

Rack & Fenders

These fenders will keep you and your bike clean when the path gets wet. Need to carry some gear? Strap onto the rear rack and make your way!

LCD Display

The LCD display shows you information about your ride including speed, battery life, odometer, and pedal assist level.

750W Bafang Mid-Drive Motor

This powerful 750W motor will allow you to span cities, climb hills, and explore further with ease.

Velo Oversized Cruiser Seat

Stay comfortable on long rides with this wonderfully plush seat!

180mm Hydraulic Disc Brakes

Safety on an eBike is key. With standard dual-piston hydraulic brakes, you can stop even faster than you accelerate. Four-piston brakes are available as an additional upgrade.

Sturmey Archer 5-Speed Rear Hub

This bike features a 5-speed internally geared Sturmey Archer rear hub.

Technical Specifications


6061 aluminum

front hub

100mm 36h

seat post



Suntour nex w/ 60mm travel & lockout

front axle

5mm qr

seat post clamp



Threadless 1-1/8 straight

rear hub

Sturmey archer rx-rk5 rear hub transmission


Bafang bbs02 mid-drive

shifter rear

Sturmey archer 5 speed trigger shifter

rear axle


battery sizes

48v 17ah 816wh samsung, 48v 21ah 1008wh sinowatt, 48v25ah 1200wh samsung, 52v17.5ah 910wh samsung


26" 36h black


850c colour display



tire sizes



Wired headlight, taillight


Kmc z51rb


700mm wide, 25.4mm clamp, 50mm rise cruiser bars

assist type


crank set

46t chainring w/170mm crank arms


Promax adjustable stem w/25.4mm clamp

assist levels

0-5 (0-3, 0-9)

bottom bracket

Bafang square taper


Slide on comfort grips


Thumb throttle


Biktrix dual piston hydraulic brakes w/180mm rotors


Black cruiser saddle


Rear rack, fenders, kickstand, bike bell

brake levers

Biktrix adjustable w/ integrated brake cutoff sensors

Size & Fittings

1 Effective Top Tube Length 680mm 26.8in
2 Seat Tube Length (Classic Bike Size) 460mm 18.1in
3 Reach 410mm 16.1in
4 Stack 600mm 23.6in
5 Chainstay Length 500mm 19.7in
6 Standover Height 470mm 18.5in
7 Head Angle 74° -
8 Seat Angle 70° -
9 Head Tube Length 220 mm 8.7 in
10 Fork Length 460mm 18.1in
11 Front Center 720mm 28.3in
12 BB (Bottom Bracket) Drop 80mm 3.1in
13 Fork Offset 30mm 1.2in
14 Wheelbase 1220mm 48in
15 Total Length 1880mm 74in
16 Max Seat Height 945mm 37.2in
17 Min Seat Height 790mm 31.1in
18 Handlebar Height 1140mm 44.9in
19 Weight (Without Battery) 27.5kg 60.6lb

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Customer Reviews

Based on 76 reviews
Kathryn Mackenzie

Love our new bikes

Jason S
Solid construction bike with plenty of power

I went deep down the rabbit hole researching every electric bike under the sun. After countless reviews I found one that was comparing bikes going up hills. To my surprise not very many were able to do this easily. That's when I started realizing the benefits of a mid-drive versus a hub Drive. Although there was some fear around it wearing down the gear shifters. So when I found this bike had an internal mechanism that was less prone to needing tune-ups I found it quite the happy medium. Plus I am 6 ft 2 so looking for a decent size bike I could set up straight on. Ordering a bike online without writing it is quite scary to say the least. When I got in the mail it was quite easy to put together. The ride is quite Pleasant, I am able to set up right, and feel confident the bike will hold up together. As a comparison I got my wife a $1,000 bike off of Amazon to save a little bit of money. The comparison of this bike and that is not even in the same ballpark. Well worth the extra money to get a high quality bike. Oh also make sure you get the shock absorber seat it is well worth the money.

Ronald Makoski
Stunner 6 step thru purchase

I am very pleased with my 2 stunner 6 step through bikes.They are great bikes. However, I must tell you the "stock" seats that came with the bikes are awful. They are very uncomfortable. Maybe the most uncomfortable seats I have ever sat on. They are a disservice to the bike. However, I do commend your companies response when I reported this issue. Your company is forwarding 2 replacement seats. I have not yet received them, but they have to be an improvement over the stock seats. The only other issue I have encountered, is the inability to register the warranty on one of my 2 bikes. I received a warranty certificate on one bike, but despite my effort to register the 2nd bike, I have not received the certificate on the 2nd bike. Im not sure what is going on there.

john oneill

order confirmed 2/7 . still no bike 3/8. review leaning towards negative

Great E/bike

The bike rides and operates as it should. Fast shipping great packaging. Excellent service when I called to ask questions. Great company to do business with. If you’re looking for an E bike contact Biktrix.

rj schwandner
Well made bike

The shipping was on time packaging was excellent.
I talked to Mathew in service and parts in which he had excellent knowledge, and I had the information I needed promptly.
This is the bike that I have been wanting mid drive 750 W good amp hour battery, internal rear hub gearing.
What’s not to like about the bike ( nothing ) .
Great bike.

John Reid
So far so good

Due to the weather I have not been able to ride much, or to form an opinion, or to look for any other issues.
Some minor issues with setup but nothing insurmountable.

James Lark
Purchased a Juggernaut Ultra Pro - Great Bike with a couple niggles

Love the bike. Just went on a 15 mile ride. 7.5 steep down and then back up. Finished in less than an hour. Going up, was in PAS 3 and middle gear and she pulled like a champ. Came home and only at 90%. So, IMHO, great range. And the 1,000w motor is a monster - more than enough power for even the steepest hills. The two things I would change: 1. Offer a backlit LCD screen. The color screen is very nice, but disappears with polarized sunglasses. 2. Offer a dropper post. The bike is not light, but very manageable until you get into the single track. Going downhill without lowering the seat puts you in a very unstable position. I will be adding a dropper post ASAP. Other than that, love this bike. If my kids want to go out with me, I will buy others for them.

Stephen Bertrand

Stunner Step-Over 5 Sale