Rear Hub T5

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    NorthernJordan
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    Rear Hub T5

    Post by NorthernJordan on Mon Aug 08, 2011 7:05 am

    I have destroyed the studs on my rear hub, so need a new one. Can you still get genuine ones? Or is there some super awesome high quality pattern part?

    Also my rear wheel is screwed, so i am thinking of going tubeless? does anyone know if the SIP rims need new hub studs?
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    Wally
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    Re: Rear Hub T5

    Post by Wally on Mon Aug 08, 2011 7:26 am

    Pattern parts are a bag of shite - especially the hubs. You're always better off buying second hand genuine parts. If you've got a genuine hub on at the minute it is possible to replace the studs, or change them for m8 bolts.

    If you do get a new rear hub note that there's 2 types for the P range - the early ones for engines with an external oil seal and ones for the later ones with internal seal (eg the T5); with old being 27mm and the new type being 30mm. So in short the disc rear hubs will fit your OK.



    I was told with the SIP tubeless the inners are slightly thicker so you don't use washers or lockwashers, just some short nyloc nuts and you should be OK...

    Failing that you can change all your studs for slightly longer bolts and use washers, lockwashers and thread lock to your hearts content!


    Wal


    PS I used to have a load of T5 rear hubs in the garage


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    Re: Rear Hub T5

    Post by NorthernJordan on Mon Aug 08, 2011 5:30 pm

    USed to have loads, or still have some?
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    Re: Rear Hub T5

    Post by NorthernJordan on Mon Aug 08, 2011 8:17 pm

    how hard is it to replace studs, do you need any special tools?

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    Re: Rear Hub T5

    Post by ttscshaggy on Mon Aug 08, 2011 8:21 pm

    Be aware there are 2 sip tubeless rims as I found out this weekend
    old and new , the older ones had a stupid valve design and the newer is better.

    but obviously if you order from sip no doubt you'll get the newer ones
    also bear in the the rims are offset aswell , only a couple of mm. Just means the rear wheel wont be perfectly central. Handling wont really be affected tho

    I best check mine. I have 6 of these rims in boxes. I hope I havent got the crap ones.
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    Re: Rear Hub T5

    Post by ttscshaggy on Mon Aug 08, 2011 8:28 pm

    I had to replace the studs on a pk hub the other week.
    What I did was use a drill bit thats just smaller than the stud.
    drill in ( try and keep central as possible ) the stud will eventually loose its grip (or hopefully Rolling Eyes )
    Do the double nut trick and they should screw out.some can be quite difficult and a hot air gun may need to be used.

    I re-tapped the tread tho , just so I knew the thread was good.
    screwed in new studs using loctite on the threads and bashed over the back with a small hammer

    Hope that made sense
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    Re: Rear Hub T5

    Post by NorthernJordan on Mon Aug 08, 2011 9:08 pm

    yes it did. But by re tapped the threads what do you mean and how do you do it?

    The sip rims will be the new design. I guess i will need the longer studs?
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    Re: Rear Hub T5

    Post by ttscshaggy on Mon Aug 08, 2011 9:15 pm

    A thread tap is the tool what you use to make a hole have a thread in it , a hub one would be M8x1mm pitch . You dont have to do this. If the new stud screws in it will be alright.

    I just done it so I knew the thread was good and not damaged. peace of mind.

    You dont need longer studs for the sip rims
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    Re: Rear Hub T5

    Post by NorthernJordan on Mon Aug 08, 2011 10:07 pm

    is it that you dont have to fit the longer studs, but it is just better if you do? Or is it the lammy ones that need the longer studs?
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    Re: Rear Hub T5

    Post by Wally on Mon Aug 08, 2011 11:49 pm

    servetakid wrote:USed to have loads, or still have some?

    I sold just about all of my spares when I was skint and at uni... I had a spare T5 engine at one point and all Rolling Eyes

    But as above to replace the studs - I would say it's a lot easier to drill them out rather than trying to get them out conventionally. Also you'll need to establish if you have the genuine piaggio hub which you can change the studs on, or the aftermarket FAR type which you can't

    Wal


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    Re: Rear Hub T5

    Post by NorthernJordan on Tue Aug 09, 2011 5:53 am

    It is a genuine hub, i will take it into work and let them have ago at getting the studs out (work in a car dealership) so they have all the tools for doing this.

    Can anyone confirm the situation with the studs and the sip rims?
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    Re: Rear Hub T5

    Post by Wally on Tue Aug 09, 2011 6:06 am

    You shouldn't need longer studs, but like I say, I was told that if you omit the washers you should get enough bite to avoid them coming loose


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    Re: Rear Hub T5

    Post by NorthernJordan on Tue Aug 09, 2011 6:16 am

    Cheers Wally, it must be the lammy ones that need the longer studs.

    I am going to order 2 up, and use my only working split rim as a spare. I know there is an offset difference, but my thinking is that any spare is better than no spare. I will see what they fit like when they arrive.


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    Re: Rear Hub T5

    Post by NorthernJordan on Sat Aug 13, 2011 4:03 am

    My SIP rims have arrived today Twisted Evil Will get some pic once fitted tomorrow.
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    Warning SIP Rims

    Post by Dean on Tue Aug 16, 2011 4:12 am

    interesting thread on the vespa forums about the sip rims http://vespaclubofbritain.getphpbb.com/general-board-f3/warning-sip-tubeless-t7468.html

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