770c to 26" cost ?

cobrapie

Finding my (electric) wheels
Aug 28, 2011
12
0
Hello, I was wondering if anybody has had a 700c inc' electric hub motor respoked to a 26" ? As I would like a big fat tyre on the back of my trike ..
Also what should I expect to pay ?

Thanks guys,

Martin.
 

Scottyf

Esteemed Pedelecer
Feb 2, 2011
1,403
-1
Depends if you supply a new rim and the spokes and then get a local bike store to build the wheel.

Just the labour alone would be around the £25+ mark, plus the spokes (As you should use larger gauge spokes) and a rim.

Please note you will loose speed using the standard setup but gain a bit or torque.
 

cobrapie

Finding my (electric) wheels
Aug 28, 2011
12
0
I have tried a few locally and they don't want touch it as it's 'electric'.....no really.....lol.

I don't mind the few mph top speed loss as its really the torque thats more useful.

Martin.
 

flecc

Member
Oct 25, 2006
53,559
30,848
That speed loss will be around 5.4%, about 0.9 mph on a 15 mph cutoff motor/controller.

A known good reliable outfit for this build like SJS, if supplying the spokes and rim would cost the best part of £100 all in.

However, you can have fatter tyres on many 700c rims. The highly respected eZee Torq 1 had narrow 700c rims fitted with Kenda 1.95" section tyres.
.
 
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cobrapie

Finding my (electric) wheels
Aug 28, 2011
12
0
I did get one quote of £160 that was me supplying the rim. £90 for labour and the rest for spokes.
Didn't know if that was good or bad ?
 

cobrapie

Finding my (electric) wheels
Aug 28, 2011
12
0
Sorry £190. 3 hours labour for rethreading the spokes plus 1 hour for putting all together.
 

Scottyf

Esteemed Pedelecer
Feb 2, 2011
1,403
-1
Buy a spoke key and do it yourself its really not that difficult ;-)

I don't understand why some LBS won't touch electric. Its the same as any hub. Ok a little more weight but the same principle.

Still at those prices you can just buy another full kit from china with a new motor laced into a rim.
 

Mussels

Esteemed Pedelecer
Jun 17, 2008
3,207
8
Crowborough
Buy a spoke key and do it yourself its really not that difficult ;-)

I don't understand why some LBS won't touch electric. Its the same as any hub. Ok a little more weight but the same principle.

Still at those prices you can just buy another full kit from china with a new motor laced into a rim.
Trouble is it's not the same as any other hub, some motors are bad hubs for spokes and need special work.
I have had a couple of wheels done by SJS and recommend them as they are used to electric hubs. I think mine was about £100 + the cost for me to post the hub to them.
I'd try it myself if I had plenty of time and didn't need to rely on the wheel.
 

NRG

Esteemed Pedelecer
Oct 6, 2009
2,592
10
SJS did my Peugeot wheel, about £100 all in including return shipping, rim, spokes, labour and rim tape. The build is excellent, I've not had to tighten any spokes and the wheel still runs true. Highly Recommended.
 

cobrapie

Finding my (electric) wheels
Aug 28, 2011
12
0
mmm nice tyres... The original wheel for the trike is a 24" but have managed to squeeze the 700 on with a skinny tyre and only about 8 mm clearance at most. Trike looks a bit weird with the skinny tyre at rear.

Martin.
 

piotrmacheta

Esteemed Pedelecer
Jun 23, 2009
316
0
It might be worth a call to Head for the Hills in Dorking. They built up a Rohloff hub for me (I supplied the rim) and the guy was dedicated, knew his stuff and cheap. Highly recommended.
 

Scottyf

Esteemed Pedelecer
Feb 2, 2011
1,403
-1
Trouble is it's not the same as any other hub, some motors are bad hubs for spokes and need special work.
Is that what they tell you then?

Its the same as any other hub but with a larger outside diameter and more weight. Pick a larger gauge spoke and then have it dished if you need to.

I done mine myself with basic knowledge and tools and so far so good.
 
D

Deleted member 4366

Guest
The reason some LBSs won't touch an electric hub is because some were not cast very well so that when you tighten the spokes, a bit of the flange breaks off leaving everybody in a difficult situation.
I wanted to build a wheel a few months ago, so I had a look on Google and found a website that had a step-by-step guide and it also explained about all the different spoke patterns. I followed their guide and it came out perfect with about one hour's work ( plus one hour research). I previously though it was one of those things that you need special skills, smoke and mirrors for, but it was much easier than I expected.
So, unless you're totally ham-fisted, have a go yourself. It's unlikely that you'll break anything and if it comes out bad, you can always take it apart and take the bits to a specialist: It won't be any dearer.
I can't find the one I used, but these should help.
Bicycle Wheel Building For Dummies | TravellingTwo: Bicycle Touring Around The World
How to build a bicycle wheel - Part 1 36 Spoke - YouTube
Bicycle Bike Repair Building Wheels Wheelbuilding Truing Lacing Tensioning by Jim Langley
 
D

Deleted member 4366

Guest
Thanks: That's the one I used but couldn't find.