Haibike XDURO Fatsix Review

Haibike Xduro Fatsix Electric Bike Review 1
Haibike Xduro Fatsix
Haibike Xduro Fatsix Extended Bottom Bracket Bosch Motor
Haibike Xduro Fatsix Removable Bosch Powerpack 400
Haibike Xduro Fatsix Grips Lockers Display Lcd
Haibike Xduro Fatsix 180 Mm Shimano Hydraulic Disc Rotor
Haibike Xduro Fatsix Bosch 2nd Gen 350 Motor
Haibike Xduro Fatsix Integrated Cabling
Haibike Xduro Fatsix Rockshox Air Fork
Haibike Xduro Fatsix Shimano Deore Xt Derailleur
Haibike Xduro Fatsix Electric Bike Review 1
Haibike Xduro Fatsix
Haibike Xduro Fatsix Extended Bottom Bracket Bosch Motor
Haibike Xduro Fatsix Removable Bosch Powerpack 400
Haibike Xduro Fatsix Grips Lockers Display Lcd
Haibike Xduro Fatsix 180 Mm Shimano Hydraulic Disc Rotor
Haibike Xduro Fatsix Bosch 2nd Gen 350 Motor
Haibike Xduro Fatsix Integrated Cabling
Haibike Xduro Fatsix Rockshox Air Fork
Haibike Xduro Fatsix Shimano Deore Xt Derailleur

Summary

  • The only Bosch powered electric fat bike I've seen with a suspension fork, RockShox air with remote lockout
  • Burly 15 mm front and 12 mm rear thru axles, extended bottom bracket and spindle and 3D forged rear dropout to accommodate the massive 4" wide tires, quick release front and rear for easy transport
  • Solid two year warranty and support through Currie Technologies, three frame sizes for improved fit

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Video Review

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Introduction

Make:

Haibike

Model:

XDURO Fatsix

Price:

$5,800 USD

Body Position:

Forward

Suggested Use:

Trail, Sand and Snow

Electric Bike Class:

Pedal Assist (Class 1)
Learn more about Ebike classes

Warranty:

5 Year Frame, 2 Year Motor and Battery

Availability:

United States, Europe

Model Year:

2015

Bicycle Details

Total Weight:

53 lbs (24.04 kg)

Battery Weight:

5.5 lbs (2.49 kg)

Motor Weight:

8.8 lbs (3.99 kg)

Frame Material:

6061 Aluminum Alloy

Frame Sizes:

16.54 in (42.01 cm)18.11 in (45.99 cm)19.69 in (50.01 cm)

Frame Types:

Mid-Step

Frame Colors:

Matte Olive with Green and Orange Accents

Frame Fork Details:

RockShox Bluto Air Suspension with Oil Damping, 100 mm travel and PushLoc Remote Lockout, Formula SL-150 Hub with 15 mm Thru Axle

Frame Rear Details:

Formula DHL-197 Hub with 12 mm Thru Axle

Gearing Details:

10 Speed 1x10 Shimano Deore XT M 786 Shadow Plus, 11-36T Cassette

Shifter Details:

Shimano Deore XT SL-M 780 Rapidfire, I-Spec

Cranks:

XDURO Aluminum Alloy

Pedals:

XLC CNC Alloy Platform

Headset:

FSA No. 57, Semi-Integrated, Tapered

Stem:

XDURO Aluminum Alloy, A-Head

Handlebar:

XDURO Lowriser Aluminum Alloy

Brake Details:

Shimano Deore XT M785 Hydraulic Disc with 180 mm Rotors, Shimano Deore XT Levers

Grips:

XLC Sport with Locking Rings

Saddle:

XDURO Light MTB

Seat Post:

XDURO Aluminum Alloy

Seat Post Diameter:

31.6 mm

Rims:

Alex Rims AQ6 26" Fatbike

Spokes:

DT Competition DB

Tire Brand:

Schwalbe Jumbo Jim, SnakeSkin, TL-Easy, 26" x 4"

Wheel Sizes:

26 in (66.04cm)

Tube Details:

Schrader Valve

Other:

Locking Removable Battery Pack and Display, Shimano HG 54 Chain, 3D Rear Dropout to Accommodate Wider Hub, Bottom Bracket Axle Extender to Align Chain

Electronic Details

Motor Brand:

Bosch Gen 2 with Shift Detection

Motor Type:

Mid-Mounted Geared Motor
Learn more about Ebike motors

Motor Nominal Output:

350 watts

Motor Peak Output:

550 watts

Motor Torque:

60 Newton meters

Battery Brand:

Samsung

Battery Voltage:

36 volts

Battery Amp Hours:

11 ah

Battery Watt Hours:

396 wh

Battery Chemistry:

Lithium-ion

Charge Time:

3.5 hours

Estimated Min Range:

35 miles (56 km)

Estimated Max Range:

65 miles (105 km)

Display Type:

Bosch Intuvia, Removable Backlit Grayscale LCD

Readouts:

Speed, 4 Assist Levels, Battery Voltage, Odometer, Estimated Range, Clock, Max Speed, Average Speed, Trip Time

Display Accessories:

Independent Button Pad with Tactile Button Feedback

Drive Mode:

Advanced Pedal Assist (Combined Torque, Cadence and Speed Measured 1,000 Times Per Second), (Eco 50%, Tour 120%, Sport 190%, Turbo 275%)

Top Speed:

20 mph (32 kph)

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Written Review

The Haibike XDURO Fatsix arrives in America Spring 2015… just after the snow melts. The good news is, this bike delivers a couple things that are really unique in the world of fat style electric bikes; a premium mid-drive motor system for power and efficiency in sand or snow as well as a light-weight air suspension fork with remote lockout. The frame on this bike had to be custom built to accommodate the wide 4″ fat tires (Schwalbe Jumbo Jims) but despite this custom fabrication it’s going to be made available in three sizes to fit a wider range of riders! In terms of rideability, I love the step-down top tube that makes standing over the bike easier on uneven terrain.

The rear dropout (where the rear wheel mounts) has been customized so that the fatter wheel and a 10 speed cassette would fit. Having 10 gears to choose from makes the bike easier to ride on hills, flats or off-road conditions. The bottom bracket and spindle were also widened so the chain would align properly and these are not minor changes… They definitely add to the price but the aesthetic of the Fatsix remains in tact and it’s actually priced the same as one of the other Bosch powered fat bikes this including the LEBOWSKe from Felt. Note that the Fatsix is roughly five pounds heavier, but you get the suspension fork. I personally love the camouflage and fun orange accents on the Fatsix, including the tire that appears vividly through the weight saving holes in the Alex rims (pictured below). The front and rear wheels also feature thru-axles which are sturdier and stiffer than standard skewer axles, making them better at managing the high forces of large tires on rough terrain. In short, this is a premium electric fat bike that’s very capable of power and distance and isn’t just a novelty play on the fat form factor which has become popular in recent years.

Despite the larger tires which increased friction and starting-inertia, the Haibike Fatsix reaches 20 mph almost as easily as its trail oriented ebike cousins from Haibike that use more traditional sized tubes (like the RX 29″ or the FS RX 27.5″). The motor on all of these bikes offers 350 watts of power in a geared configuration that leverages the same gears that you do as a rider. That means the motor can operate more efficiently and go further on limited battery capacity. The controller on this bike measures the bicycle rolling speed, your pedaling speed and your pedaling force roughly 1,000 times per second to activate and de-activate quickly and smoothly… but when it does go, it delivers a lot of force. You get up to 60 Newton meters of torque (which is higher than the average 40 Nm on most 350 watt geared hub motors). So efficiency and power are nice but the other advantages of this mid-drive are that it keeps weight low and centered on the bicycle frame, which is important for stability when going off-road, and it also makes servicing the wheels and tires easier. This is always a “nice to have” feature on any bike but with an extra-large fat bike it becomes a lifesaver. The Fatsix will be much easier to fit into a car or pickup bed with one or both of the wheels removed because they’re just so wide. In the picture below, note the custom bottom bracket and spindle that were widened to align the chain as mentioned earlier.

The battery pack used with the XDURO Fatsix is a 36 volt 11 amp hour Lithium-ion configuration that’s light weight and durable (expect 1,000+ charge cycles if you take care of it). It’s removable for easy charging or multi-pack use on longer distance rides. Even though the official specs say 25 to 35 miles my experience is that it’s capable of going much further (depending on the terrain and level of assist). While the Fatsix isn’t as efficient as road style haibikes like the XDURO Race, it’s pretty impressive just how far it can go on a charge on flat hard terrain. As soon as you get into snow or sand however, expect the range to drop off and pay attention to the range readout so you can adjust pedal assist accordingly and make it home alright. I’ve created a video overview of the Bosch Intuvia system here that explains the range menu. The pack itself has a nice LED indicator on the side that displays its charge level even without turning the bike on (or even having it mounted to the bike) and that’s great if you’re storing the bike in the garage. The pack mounts low and center, just like the motor, but does take up the space where a bottle cage might have otherwise been mounted. That’s one of the drawbacks to this electric bike and note that there aren’t bosses on the rear seat stays where you might mount a rack or fenders either.

The display unit on the Haibike Fat six is large and easy to use. The screen is backlit and shows speed, distance and assist and you can interact with it using a stand-alone button console. This means you can keep your hands on the grips at all times (critical for trail riding on bumpy or dangerous terrain). The button pad is pretty easy to use, even with gloves on, and only has three buttons which are sort of oversized and tactile so you can hear or feel them click with each press. The assist-only operation of this and other Bosch powered electric bikes eliminates the chance of accidental acceleration based on squeezing the grips harder (for stability or in a tense moment) and the centerdrive is so responsive as mentioned earlier, just note that this bike doesn’t have a throttle… you must always pedal to make it go. Back to the display panel, it can be taken off of the frame easily for storage just like the main battery and the button pad has a little USB outlet for charging devices (though I’m not sure the voltage is high enough for iPhones). The LCD screen and accompanying system are water resistant and modular so if something does break you can get replacement support and keep on riding, it’s also backlit and there are some shops out there who will wire in lights to run off of the main battery and operate through the display pad. Very cool stuff.

The Fatsix is a fun bike to operate and show off… It’s a bike that makes people smile but really is rugged and capable. With tough locking grips, nice oversized disc brakes, a solid warranty and lots of shops who will be carrying it I expect it to be a hit. It’s easy to recommend any electric bike with the Bosch second generation centerdrive motor and battery system because it has proven itself on so many other ebikes I’ve tried. whether you’re a heavier person or someone who is climbing steep terrain, I believe this motor will still impress. The fact that the frame is going to be made in three sizes is just amazing to me because so many electric bikes aren’t and that can be a deal killer for some tall guys and girls. The Fatsix is a leader in its class and as someone with a sensitive back and neck, I love the suspension fork. Being able to lock and unlock remotely is awesome when transitioning from road to trail and the oversized tires already add a lot of cushion. You could always go extreme and get a suspension seat post for this thing as well! As mentioned earlier, the real drawbacks are no bottle cage or rack mounts and a higher price… and possibly not having a kickstand :)

Pros:

  • One of the only fat style electric bikes I’ve seen with a front suspension fork, the only Bosch powered fat bike I’ve seen with suspension
  • Oversized super-wide suspension is light weight because it uses air and easy to operate because it features a remote lockout button (mounted on the right bar)
  • Heavy duty 15 mm thru axle on the front and 12 mm thru axle on the rear for stiffness and strength in off-road conditions (also makes aligning disc brakes easier when servicing wheels)
  • 180 mm hydraulic disc brakes front and rear, easy to actuate and incredibly responsive – perfect for managing unstable terrain and larger riders
  • Awesome flat paint with fun jungle camouflage colors and orange accents, the bike just looks fun
  • The frame is available in three sizes! This is pretty impressive for a niche fat bike and very welcome news to taller riders who might feel squished on smaller frames
  • Mid-step frame is easier to mount and stand over but still stiff and sturdy like a traditional straight diamond frame
  • Some very custom engineering to make the rear dropout wide enough for the oversized wheelset and 10 gear cassette, the bottom bracket is also custom (extended) to accommodate a longer spindle and align the chain with the rear cassette
  • Both the front and rear wheels offer quick release which makes servicing the bike easier and helps to reduce weight and size during transport
  • Premium parts all around, Shimano Deore XT drivetrain, Shimano hydraulic disc brakes, Bosch drive system, Alex rims, Schwalbe tires
  • Solid two year warranty, wider availability and support (managed through Currie Technologies in the US)
  • Pretty light for a fat bike at ~53 lbs (varying a bit by frame size), I actually weighed the bike and was impressed given the larger tires and suspension fork
  • Centerdrive offers very impressive torque at 60 Nm which is important for climbing or trudging through sand and snow
  • Bosch drive system is efficient because it leverages the gear that you’re pedaling in (and this bike has 10) so it’s powerful but also has impressive range

Cons:

  • No water bottle cage mounting points on the frame (may need an aftermarket adapter or CamelBak) and no rear rack mounting points, may also be difficult to fit fenders
  • No throttle mode here, this ebike only offers pedal assist (like all Bosch powered systems) so you have to contribute to make it go
  • Unique 4″ tire and tube width may be more expensive to service and replace because it’s less common (true of any fat bike)

Resources:

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Rgrtitan
3 months ago

I'm 6'3" and WAS 280-lbs back in January. Now I'm 240-lbs thanks to my HaiBike FatSix. You'll JUST get 20-miles out of it in Tour-mode, but if you keep a charger at your office, it'll get you back.
Nice! You're my hero! The Bulls is the 28mph w/ 500whr, but probably will mean less distance than yours... Getting some exercise during commute and dropping weight back down is the goal!

Fitzy
3 months ago

I'm 6'3" and WAS 280-lbs back in January. Now I'm 240-lbs thanks to my HaiBike FatSix. You'll JUST get 20-miles out of it in Tour-mode, but if you keep a charger at your office, it'll get you back.

Fitzy
4 months ago

Hi guys.

I am considering to buy a Haibike Xduro Fatsix 6.0. They come with 4.0" tyres, but i have brand new 4.8" Jumbo Jims laying around that I was going to use on my White fat bike. Now I want to go electric and was hoping I could use them on a Fatsix.

Have anyone tried to fit 4.8" tyres on a Fatsix ?

Hey Jornab,

Just happened upon this...I saw a post somewhere where someone fittd a 4.8 to the FRONT of their FatSix; no room on the back though.

jornab
6 months ago

Hi guys.

I am considering to buy a Haibike Xduro Fatsix 6.0. They come with 4.0" tyres, but i have brand new 4.8" Jumbo Jims laying around that I was going to use on my White fat bike. Now I want to go electric and was hoping I could use them on a Fatsix.

Have anyone tried to fit 4.8" tyres on a Fatsix ?

Fitzy
9 months ago

Hey all,

Does anyone know if a 18T or 20T HaiBike XDURO Bosch chainring for the FatSix is to be gotten anywhere? I have no idea were to ask. My FatSix's 16T has no obvious manufacturer's model # on it to delineate it from the standard chainring.

My DEEP chainring:

Standard shallow chainring.

Thanks!

-Fitz

1/2
Fitzy
9 months ago

Oh, meant to say, i mentioned in another thread when i fitted rs i decided to add a bit of hot glue to seal main cable out of box and wrap box in electrical tape. 1'm not sure it's necessary, but i'm a bit anal.

I've tested this dongle and managed 40mph on flat with 20t front chainring. Funny thing is i prefer the feel of the 18t (sweet spot), so may well change back.

Hey Steve,

You're more anal than I! I was impressed enough with the hardware to trust it not to allow moisture into where it's not wanted. In fact, I've had BAD experiences with attempts at waterproofing electronic connections on a gasoline-powered bicycle I used in my past, so I avoid trying! When it's done wrong, insulation can TRAP water and speed corrosion. I'm in a mode of heightened awareness now since it's a snowy/slushy winter on the US East Coast, and there's plenty of road-salt to go around. I also enjoy riding on tidal-flats, so I get my fair-share of sea-water on my Bosch.

I'm not done evaluating the RS, but I've been very happy so far. I had two or three instances where the computer needed to be rebooted before I could select a drive-mode, but I think this happened BEFORE I installed the RS. Power has been smooth and continuous on all modes. I topped out at about 36MPH on my fat-bike with a 16T chainring (pedaling like a madman), which is great, but while the speedometer has been accurate, and has exhibited no noticeable glitches while riding, I did notice last week that my MAXIMUM speed registered was around 45MPH...then this week it registered as 65MPH. Dunno what's up there since early on, it was registering accurate MAXIMUM speed. Not a deal-breaker though.

Now, as for my 16T chainring; I bought a 20T to replace it in hopes of attaining greater sustained speeds for commuting. Well, the FatSix has a specialized Bosch XDURO chainring that's designed to raise the plane of the ring off the motor to clear the tire. Sooooo, it appears that whoever makes these...not sure if it's Bosch for HaiBike, or if HaiBike makes 'em themselves...but I can't find any version but this 16T. This is very frustrating to me since the 16(1.44):11 ratio is a tad too small...just out of my happy-zone. I could probably jerry-rig something with the 20T...and at this point and after more use, I think an 18T would suit my needs perfectly...but I don't WANT to jerry-rig my wonderful and EXPENSIVE bike!

1/2
HILLMAN HILLMAN
3 weeks ago

Im inlove

jorge cunha
4 weeks ago

motor bash plate is missing and chain saver

Nicholas Kemp
1 year ago

How do these bikes fair in the wet ? I'm from the North East UK and it rains a lot! Is there a problem with water ingress into the motor housing? Is it covered by warranty?

John Fitzgerald
9 months ago

Hey Nick, I've had this model for about two months, and it's held up VERY well to the elements. I keep it stowed on my car's rear-hitch, and only cover it if it's raining/snowing heavily. The accessories and components are excellently weatherproofed. I also do a fair amount of shoreline/low-tide cycling on sandbars, and this tends to get saltwater splashing on things. The motor and battery-interface are sealed well. I would recommend cleaning the uncovered motor every 6-months or so...I'm only suggesting this since I haven't reached that point yet but I've been keeping an eye on that since I've gotten it both both pretty wet and alternatively muddy on trail-rides. The cowlings do a damned fine job of protecting the motor and battery-interface.

JesusG90247
1 year ago

Did you guys notice the chain rubbing the frame 10:58

kemza93
2 years ago

All of this is cool but it does not have lights and no kick stand. It's shame for bike that is not cheap.

Manu Johnston
2 years ago

What Mt bikes come with kick stand? And head lights? What a weird comment.

SchrodingersQuark
2 years ago

Wait, if the battery runs out, you can't ride it anymore? Lol I would think they would do something like have the pedals lock to the front sprocket before it dies or something.

jlebrech
2 years ago

I'm thinking of getting one just because the top speed is limited to 15mph in the UK, this would take the piss :P

BigDuke6ixx
2 years ago

good review, thanks.

erfan vali
2 years ago

where can I buy this bike in Canada?

John Fitzgerald
9 months ago

This bike rides VERY well without power. The motor-resistance is negligible. Of course, the larger tires increase friction, and you'll need to exert more effort accordingly.

CoralCombatant
2 years ago

+ElectricBikeReview.com While pedaling on a fat bike does it take any more effort to pedal than compared to a regular tire bike?

erfan vali
2 years ago

Ok thanks a lot

ElectricBikeReview.com
2 years ago

+erfan vali Try reaching out to Cit-E-Cycles in Vancouver http://www.citecycles.com/ the owner Mark is cool and they carry Haibike ;)

bruno blasone
2 years ago

...

justvettn
3 years ago

So why would you have to push it back to your truck?

jlebrech
2 years ago

+justvettn he's weak haha

vibe2light
3 years ago

Great Bike & review and Sooo much $ that im compelled to ask "We know electronics are to die earlier than in past history so, can you consider giving EXPIRED WARRANTY LIFE SPAN info on all wear & tear parts and replacement costs"? This would result in a more informed & wiser purchase for peoples. Thanks for the good work !      

ElectricBikeReview.com
3 years ago

Hmm... I'm not sure I fully understand your request but I'll share a few replacement costs. The Bosch Powerpack 400 battery costs $900 to replace (from what I've seen online) and the motor may not be replaceable at all, it has zero maintenance schedule and is meant to run "indefinitely" though we know that's not realistic. The official warranty is two years and Bosch makes good stuff, I imagine it will work for many years if kept clean and out of water or salt. the rest of the bike uses traditional parts which can be replaced by most shops. The price for rims, tubes, tires, grips, gears, brakes etc. all vary. Hope this helps :)

miim
3 years ago

i sometimes stumbel to your youtube channel time and time again, and id really appriciate a video which would conclude the best advances in e bike world, even the best bike maybe.Beacause my attention span to ebikes is not long to watch most recent videos to make that decision myself.

ElectricBikeReview.com
3 years ago

Sure, if you tell me your budget, height, weight and intended use I'll recommend a few top bikes for you. Otherwise you can see my top 10 list here which includes more than ten bikes all broken down by my favorite in each category: http://electricbikereview.com/top-10-electric-bikes/

Rideoak
3 years ago

New Bike- and take a look at the Shainstay....

Rideoak
3 years ago

Thank you!

ElectricBikeReview.com
3 years ago

This was a prototype which was ridden at Interbike Outdoor Demo Day in September 2014 (got a lot of trail use and abuse). I asked the Haibike reps and they said it didn't have the chain stay protector or clear coat that the production models would have :)

Ehab Hassan Mohamed
3 years ago

Thank You Nice Review

ElectricBikeReview.com
3 years ago

Sure thing, glad you enjoyed the video :D

brighton dude
3 years ago

Excellent review with some rad off-road footage !

I wonder if that extended crank on the right means that the right pedal is further out from the centreline than the left pedal?

ElectricBikeReview.com
3 years ago

Thanks! Yeah, this was a fun one to test and I sort of made my own off-road course in the planters near Currie headquarters in SoCal :P

Good question about the bottom bracket and spindle. I think they kept the pedals centered and just mounted the motor further to the left to accommodate the extra spacer. I really can't say for sure, and this was a prototype bike which is why there are chips on the chainstay (bike wasn't clear coated and didn't have a slap guard).

Michael Willers
3 years ago

Awsome bike :-)

ElectricBikeReview.com
3 years ago

+Michael Willers Appreciate the details, if I'm in NZ ever I'll post a video about it and try to get onto some of these :D

Michael Willers
3 years ago

+ElectricBikeReview.com Think you would really like NZ and the bike scene here for sure! i think the E-bike will really catch on here as an alternative transport as our source electricity is hydro electric :) re the fat bike it was a local company called Ryot  https://www.ryotbikes.com/about.html, they use hub Motors. My own converted bike uses a hub motor and the battery and motor etc are from http://dillenger.co.nz/ via www.ecyclesnz.com 

ElectricBikeReview.com
3 years ago

+Michael Willers Nice! I'd love to visit New Zealand and explore with a fat bike, that sounds stellar... Do you know which model you tried? Did it use a hub motor or a mid-drive like the Fatsix?

Michael Willers
3 years ago

+Court Rye tried a fat type electric here in Christchurch NZ it was big fun! even managed to go up and down some stairs, my own converted E- bike has Maxxis Hookworm 2.5 urban assault tyres on it and they are just great for our damaged roads.    

Coolkeys2009
3 years ago

Looks like you enjoyed riding that more than a lot of the other bikes you've reviewed. Would be lovely to see that and some other bikes on some rough hilly trails.

ElectricBikeReview.com
3 years ago

Yeah, I'd love to have an off-road shoot and some fun footage! I think the companies and magazines and individuals will get more fun impressive footage eventually, my goal is to present all of the details and give an overview about how the bikes work. If I get too promotional it could sort of bias the reviews and change the way the site works.

Tony W.
3 years ago

This is definitely my "go to" post apocalyptic bike. Assuming there's electricity. haha

ElectricBikeReview.com
3 years ago

+Salticus scenicus That's awesome, I love the animation on that page :P and yeah +Tony W. this would make an awesome transporter when the zombies take over :D

Jill Kews
3 years ago

http://lmgtfy.com/?q=photovoltaic+panels