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Hex bolt advice needed 1 year 9 months ago #71742

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Hi all,

I have a fighter buggy RX and I'm changing all the wheels and would like to put large wheels on the front. But the original front wheels have a bearing or something whereas the rear wheels are hex fitting.

Can someone show me the hex nut needed for the front wheels from Ali express or from eBay UK?

Thank you

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Last edit: by nz. Reason: Typo

Hex bolt advice needed 1 year 9 months ago #71745

If I understand you correctly - and the parts - the bit you want is Fastrax part code FAST0177B or FAST0177BK. They're widely available, but the only place I found that gave an adequate description was www.scmodels.co...-pr-black/ :)  
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Hex bolt advice needed 1 year 9 months ago #71752

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Yes that looks like what I need!

One front wheel slides off easy, the other is stuck, any idea why it wouldn't slide off?? Is there a trick to removing wheels?

Thank you

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Hex bolt advice needed 1 year 9 months ago #71756

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I also found a cheaper one without the bearings
Are the bearings important/required?

https://https://a.aliexpress.com/_uyW0wc
 

Thanks
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Last edit: by nz.

Hex bolt advice needed 1 year 9 months ago #71758

if you use these, they will stay on the axle when you need to change your wheels! i use LRP122503



nl.aliexpress.c...pt=glo2nld

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Hex bolt advice needed 1 year 9 months ago #71759

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Thank you that's helpful!
Which size do you advise 5, 6 or 7mm?

Thank you

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Hex bolt advice needed 1 year 9 months ago #71760

Those are not the same thing at all, those are for "modern" Tamiya chassis (M, TT, CC etc) that use the fairly standard 12mm hex hubbed, cross pinned axles with bearings fitted into the hubs.

And yes, you really do need bearings.

The Fighter Buggy RX uses Tamiya's very old proprietary 5mm front axle with bearings in the wheel. The rear axle might use 12mm hubs, but has splines in the centre, not a round shaft & cross pin.
 
 
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Hex bolt advice needed 1 year 9 months ago #71774

For the older style front stub axles, an alternative to the hex+bearing adapter is to just use a 5x12mm bearing in place of the hex.
Then you use another bearing on the outside, so the nut doesn't jam against the rim.

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Hex bolt advice needed 1 year 9 months ago #71782

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This sounds more complicated but can you show me what parts are needed please?

Thank you

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Hex bolt advice needed 1 year 9 months ago #71783

did you searched it in the manual?

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