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Author Topic: Newbie wheels  (Read 4835 times)

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Re: Newbie wheels
« Reply #15 on: 16 Sep 21, 06:51 am »
FunBikes are selling 17" front wheels without tyres for £26.40 each atm which seams cheaper than anywhere else. I am in the process of getting a set myself and already have a design for some 25mm axle adaptors which could be machined on a cnc lathe. These possibly will have a sliding dog mechanism so the driven side can be changed or no drive/both driven ect.
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Re: Newbie wheels
« Reply #16 on: 16 Sep 21, 07:49 am »
Oh I’m interested to know more about the axle adaptor.  GN’s used a dog drive on the wheel hub if I remember correctly. 
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Re: Newbie wheels
« Reply #17 on: 16 Sep 21, 10:28 am »
Jim,
Is that just the rim or complete wheel with hub and spokes for £26.40?
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Re: Newbie wheels
« Reply #18 on: 16 Sep 21, 10:45 am »
Steve, When I spoke to them on the phone and got them to check they said it was the complete wheel, just no tyre or tube. Seems like a good deal as you'll probably change the tyres from the knobbly off roads ones that generally come with these wheels. Mine should be here tomorrow but I am away till Sunday so I can't confirm what turns up till then. 
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Re: Newbie wheels
« Reply #19 on: 16 Sep 21, 04:38 pm »
Sounds good Jim, thanks.
Grateful if you’d let me know what you receive and any likely complications in fitting them.
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Re: Newbie wheels
« Reply #20 on: 16 Sep 21, 05:27 pm »
Just checked , they are showing "Currently out of stock"  for the 17" Front ; Black wheels with red spokes .

Is that what you had Jim ?

Still have the Gold 17" wheels , but they are £46 ish

Chris L
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Re: Newbie wheels
« Reply #21 on: 17 Sep 21, 07:40 am »
I'm not sure what colour spokes will come. If any at all. They are arriving later today.
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Re: Newbie wheels
« Reply #22 on: 17 Sep 21, 09:39 am »
Keep going down the list Chris, I think these are the ones Jim was referring to: https://www.funbikes.co.uk/p10566_m2r-kmxr-125-pit-bike-front-17-rim.

Chris
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Re: Newbie wheels
« Reply #23 on: 17 Sep 21, 10:09 am »
Four of these have just turned up.
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Re: Newbie wheels
« Reply #24 on: 17 Sep 21, 12:10 pm »
Hi again Jim,
Look good - any problems to use these apart from a bearing change (readily available bearings that is)
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Re: Newbie wheels
« Reply #25 on: 17 Sep 21, 09:27 pm »
I’ve been using mine for a couple of years now.

Spokes were loose so needed tightening.
Had to relieve some of the casting for a 25mm axle to clear through

Other than that they’ve been good.
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Re: Newbie wheels
« Reply #26 on: 20 Sep 21, 07:44 am »
Thanks for the tip off Stefan, I will check the spokes torque before I put some rubber on. What did you torque them to Stefan? I have booked today off work and have a reporter coming round to interview me about CKs. I may set one wheel up for the photo's, mention the mod for the axle and that we check spokes for safety reasons.
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Re: Newbie wheels
« Reply #27 on: 20 Sep 21, 01:32 pm »
Quote from: jim on 20 Sep 21, 07:44 am
What did you torque them to Stefan?

Hmmm will have to look that up - about Bb…although in hindsight that was an unfortunate choice.   Quite a few on mine simply had almost no tension in them at all.

Will check in the garage later.
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Re: Newbie wheels
« Reply #28 on: 21 Sep 21, 09:25 am »
Hi Stephan,
I’ve just ordered a set, so also interested in spoke tightening torque.
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Re: Newbie wheels
« Reply #29 on: 21 Sep 21, 11:15 am »
This thread on CKC talks about 48 inch lbs for CT90 wheels
Wheels and spokes : CycleKart Tech Forum : The Cyclekart Club
Over the last (nearly 20 years) period playing with these things I have read on here of numerous broken and loose spokes, however they have not been gathered in one place. What I am asking, for the...
cyclekartclub.com


I don't have a proper spoke torque wrench so its very much an estimate, but I think my pit bike wheel spoke nipples are at about 1.6Nm (14 in lbs - 2kg pulling at 8.25cm in case I've got the maths wrong!)  .  This is tighter than they were when I got them, and so long as I check them, I've not had any more problems.
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