Juggernaut Classic 8

Sale price $0.00 Regular price$3,599.00
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Interested in the latest version of this classic Biktrix model? Check out the Juggernaut Classic Duo Step-Over!

Juggernaut Classic Duo Step-Over

Technical Specifications


6061 aluminum w/ rack and fenders

front hub

Quanta 135mm 36h

seat post

Aluminum 28.6mm


Rst guide, 75mm travel

front axle

5mm qr

seat post clamp



Threadless 1-1/8 1-1/2 tapered

rear hub

Quanta 190mm 36h


750w bbs02 mid-drive

shifter rear

Sunrace dlm403 - 8 speed

rear axle

5mm qr

battery sizes

48v17.5ah, 48v21ah, 52v17.5ah

rear derailleur

Sunrace rdm57 - 8 speed


26" - 36h, black 27.5" - 36h


800s backlit lcd


Sunrace csm55 11-34t - 8 speed

tire sizes

26x4", 27.5x3"


Integrated headlight, battery taillight


Kmc z8


31.8 clamp, 700mm wide, 20mm rise aluminum

assist type


crank set

170mm aluminum with 42t steel chainring


90mm aluminum

assist levels

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

bottom bracket

Bafang 68mm square taper


Slide on


Thumb throttle


Biktrix dual piston hydraulic w/ 160mm


Velo plush narrow


Aluminum fenders, rear rack, adjustable kickstand

brake levers

Biktrix w/ adjustable reach and motorcutoffs

Size & Fittings

1 Effective Top Tube Length 626mm 24.6in
2 Seat Tube Length (Classic Bike Size) 483mm 19in
3 Reach 404mm 15.9in
4 Stack 600mm 23.6in
5 Chainstay Length 510mm 20.1in
6 Standover Height 750mm 29.5in
7 Head Angle 72° -
8 Seat Angle 73.5° -
9 Head Tube Length 140 mm 5.5 in
10 Fork Length 500mm 19.7in
11 Front Center 690mm 27.2in
12 BB (Bottom Bracket) Drop 55mm 2.2in
13 Fork Offset 45mm 1.8in
14 Wheelbase 1201mm 47.3in
15 Total Length 1500mm 59.1in
16 Max Seat Height 1040mm 40.9in
17 Min Seat Height 850mm 33.5in
18 Handlebar Height 980mm 38.6in
19 Weight (Without Battery) 28.7kg 63.3lb

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Customer Reviews

Based on 76 reviews
Justin Conn
Juggernaut Classic 9

Bike arrived in good shape and took less than an hour to finish assembly. Bike is awesome and rides great! Plenty of power! I’m 6’4” and the large frame is a good fit. I highly recommend Biktrix.

Nicole Davey
Awesome bike

Super happy with this thing!

Bruce Oneill
Fun ride

Fun bike,put lots of miles on in a short amount of time,still exploring trails.
Great service

Robert Pedregon
Great Bike at Very GOOD Price!

Love this bike alot ,I had 27 inch model that I gifted to my son. I really glad to see that I got the 26inch ,it's suit me much better . IT was like christmas all over again THANK YOU Again! OH I told my brother in Law about this great deal.

Dave Mann
Great so far

Had the bike for about a week and a half, and Happy with the purchase so far. It arrived in good shape and Assembly was quick and easy. The mid motor is more than capable and the battery life has been excellent. My wife and I expect to get lots of use of our bikes this summer.

Patrick Douglas
Excellent e-bike

Love the Juggernaut Classic.
Gets me where I need to go and I still get exercise after knee surgery.

C J Batson
5 Mile Ride

Took a 5 mile ride today up hill, down hill, through creeks and mud. Went up some steep rocky hills in each PAS level and for the hills I was on PAS 3 was the best. Going uphill is much better than downhill. Coming downhill I was on both brakes most of the time so I could go slow enough to pick my path. If I let off the brakes it was like being on a run away horse. No problems crossing the shallow creeks. Did have the rear wheel slide a few times due to ground thawing. What normally took me 2 hours to hike probablly took 20 minutes to ride.

Patrick Douglas
Love the bike. Support superb

I have clocked 28 miles the first week and feel like a kid again. Great workout for old man with knee surgery. Love that it rides like a real Mtn bike. Only issue is the crank arm came loose. Tightened it and after a couple mile loose again. Contacted support they requested a video and saw it was missing a part. They are sending the part and tools to fix it.

Great bike

About 100 miles on it so far, and I love it. Fast and fun to ride. Being able to use the motor throughout all the gears is great on all the hills in my area. Riding it involves a lot of attention to the controls though because it rides more like a mountain bike. If you want an easy electric riding experience without having to shift and always think about what gear you're in than this isn't the model for you.