Boardman ADV 8.9 E

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sonic10

New Member
Hi went out on my bike yesterday was not pleased because it’s says 60 miles u can get from it I would be happy with just 40 or 50 but got 23 miles with 20% battery left 😞also going up hill bike was helping then stopping like it was going forward the pulling backwards any help please
 

gzoom

Über Member
I would be happy with just 40 or 50 but got 23 miles with 20% battery left 😞also going up hill bike was helping then stopping like it was going forward the pulling backwards any help please

Was it into wind? The Fazua motor is actually really strong, I think it'll easily peak at 400watts if de restricted but the 250watthr battery is small. If you are constantly using the assistance you will burn through the pack in less than hour, so 20-30 mile range is quite feasible, especially when cold as that also drops the range.

What was you're average speed? If it was below 16mph than it simply because the motor was always on.

You can always turn the assistance off when you don't really need it.you
 

lyn1

Über Member
😞also going up hill bike was helping then stopping like it was going forward the pulling backwards any help please
My wife and I experienced similar issue when we first got the Canyon (Fazua) bikes. As you slow on a climb cadence tends to drop. That is when we found the drag effect. There appears to be an optimal cadence range for smooth power transmission. (maybe in manual). Try to change into an easier gear before cadence falls too low. Experience should let you know when.
 

Ralphbostie

Active Member
Hi went out on my bike yesterday was not pleased because it’s says 60 miles u can get from it I would be happy with just 40 or 50 but got 23 miles with 20% battery left 😞also going up hill bike was helping then stopping like it was going forward the pulling backwards any help please
Hi Sonic, it just depends on how much and what power level you used. Regarding the surging, have you checked the magnet alignments or cleanliness on the wheel? Does it throw a yellow light up on the remote, this would indicate poor connection between remote and bottom bracket. Just a thought.
 

richtea

Senior Member
Surging doesn't sound right - that's not something I've experienced. I'd get the bike checked.

I definitely agree with the cadence point - keep it spinning. 55-125 rpm is recommended by Fazua. Even 55 rpm can seem quite fast spinning if you're a novice rider. Or Dutch. 😊
 

Drago

Legendary Member
As an ebike rider myself I wonder where all these unfit riders who can be bested by an overweight ebike that cuts out at 15.5 mpg live? Im in my 50's and not the lightest athlete out there, but on a normal bike can run rings around ebikes. Hell, my average is 5mph higher on my regular bikes.

Im guessing all the grossly unfit smokers and burger munchers are clustered in just a few areas.
 

Ralphbostie

Active Member
To whom I would reply "I wasn't aware I had entered a race against you!" ^_^
I don’t understand them, I just don’t know who I’m cheating, if it wasn’t for the pedal assist bike I wouldn’t have got back into cycling.
 

Ralphbostie

Active Member
As an ebike rider myself I wonder where all these unfit riders who can be bested by an overweight ebike that cuts out at 15.5 mpg live? Im in my 50's and not the lightest athlete out there, but on a normal bike can run rings around ebikes. Hell, my average is 5mph higher on my regular bikes.

Im guessing all the grossly unfit smokers and burger munchers are clustered in just a few areas.
I’m guessing you don’t need an E Bike then?
 

Ralphbostie

Active Member
Surging doesn't sound right - that's not something I've experienced. I'd get the bike checked.

I definitely agree with the cadence point - keep it spinning. 55-125 rpm is recommended by Fazua. Even 55 rpm can seem quite fast spinning if you're a novice rider. Or Dutch. 😊
I had it not long after picking up my bike from Halfords last year, the assist would kick in then stop, I couldn’t understand it, then I noticed a yellow light on the remote so I googled it and it pointed to the magnet not being aligned, so I re arranged and it has been fine ever since.
 

ianmac62

Guru
Location
Northampton
Hello everyone! Really grateful to have found this thread towards the end of a long time researching into / dithering about an e-bike. Everyone's comments have been really helpful to me; I've appreciated the photos too, both the ones in the wild and the ones going into those parts of a bike that you just don't see on manufacturers' / retailers' websites or in commercial reviews.

It's usually invidious to pick anyone out for special thanks in these situations ... but I'll give it a go. So thank you especially to @goo_mason @richtea and @gzoom for so many words and photos of wisdom; and to @Mandauk40 and @Notxal for their photos. You were very helpful.

I've ordered on the Halfords website an ADV 8.9e, a spare Fazua battery, and an empty battery compartment cover. I collect the bike "built" from my local Halfords in eleven days time. Yippee!

I've also spent a long time looking in my shed at torx sockets that will fit on the end of a small torque wrench. I was also pleased to discover that I had a small screwdriver set, purchased years ago in Lidl, that has a choice of torx heads! The first job will be to check that the bike has been "built". And then check that the firmware is up-to-date, I guess.

Other stuff - saddle, pedals - I know I've got. I'll want to fit mudguards (thanks for the advice and photos) and a pannier rack. I'll give the bike a few miles before deciding on better bar tape.

So many, many thanks!

P.S. I read somewhere, possibly on the CTC site / forum, that I can reduce the gearing further by swapping to a Sunrise 11 - 46 cassette (with a longer chain). Does any have any thoughts about this?
 

CXRAndy

Guru
Location
Lincs
P.S. I read somewhere, possibly on the CTC site / forum, that I can reduce the gearing further by swapping to a Sunrise 11 - 46 cassette (with a longer chain). Does any have any thoughts about this?

The difference between 11-42/46 is 26" to 24" gear inches (lower number,easier gearing).

To be honest, if the motor is half as strong as my Tsdz2 then hills will be fine. My wife literally rides away from me on steep hills.
 

gzoom

Über Member
P.S. I read somewhere, possibly on the CTC site / forum, that I can reduce the gearing further by swapping to a Sunrise 11 - 46 cassette (with a longer chain). Does any have any thoughts about this?

You don't need to worry about gearing, the motor will get you up anything without much effort.

The first thing to do when you get the bike is to make sure the firmware on the motor, controller and battery is uptodate. You can also than setup the support levels to how you want including pushing the max watts to 300watts.

Connecting a bike up to your latop as one of the first jobs on getting a new pedal bike.....crazy times we live in :smile:.

Ps: If you connect up the battery pack to the computer with pack still on the bike you can also access Bottom Bracket info using the computer software.

https://fazua.com/en/drive-system/software/toolbox-software/
 
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