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Screwed Up Monty Top Cap


tdubz

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to cut a long story short

tried to fit a head doctor to a monty sloping stem

DIDNT WORK AT ALL

drilled my monty top cap in the process

need a replacement, monty one currently out of stock at the moment

any others that would be suitable

images of both stem and origional top cap attached

thanks

tom

montystem2.jpg

montystem1.jpg

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No it was one of the gusset ones with the pole that runs all the way down

Fantastic for normal setups but as we can all see made a mess of the monty slopes system

Need a sloped topcap asap will the kamel one on tarty site work?

Out of stock at the moment thonso lookin if therenis a second hand one on here

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It should work in theory. Assuming the top cap on the head doctor is held on by a bolt, all you'd really need is a longer bolt with the right shape head for the recess in that top cap.

It doesn't really. If you tried half the bolt head would not be sitting flush with the top cap, and if you tried to tighten it the bolt would bend or snap. And when you do snap it, you have to spend another few quid on a new head doctor bolt. Mind you a lot of people have snapped their head doctor bolts because they are so ham fisted with it, the bolt is only there to preload the headset bearings.

Also sloping top caps are an oval shape and not a circle like normal top caps like the head doctor so I don't know why you are even trying to fit it. Waste of time and money and now you might have even ruined the monty top cap.

Lastly, tarty have 3 (non monty) sloping top caps in stock. Nothing wrong with using those one of those right?

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the plan was just to use the bottom section and the pole section of the following

Linky

then to drill the top cap to fit the pole because it is slightly bigger thread

so i was utilising the oval topcap just with what i thought would be a slight modifiction

turns out didnt work and topcap is now unusable because hole is too big and washer wont solve the problem of a smaller bolt because it will then sit proud of the topcap so any tightening causes the topcap to lift

lesson learned

the whole point of the thread was to find out if any of the topcaps on the tarty site would fit so which one do you think will fit and i order that one

thanks

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It doesn't really. If you tried half the bolt head would not be sitting flush with the top cap, and if you tried to tighten it the bolt would bend or snap. And when you do snap it, you have to spend another few quid on a new head doctor bolt. Mind you a lot of people have snapped their head doctor bolts because they are so ham fisted with it, the bolt is only there to preload the headset bearings.

Also sloping top caps are an oval shape and not a circle like normal top caps like the head doctor so I don't know why you are even trying to fit it. Waste of time and money and now you might have even ruined the monty top cap.

Lastly, tarty have 3 (non monty) sloping top caps in stock. Nothing wrong with using those one of those right?

Not meaning to start an argument here, but do you think angled top caps are some kinda of mechanical marvel? :S The bolt is still square and central to the fork, the fact that the top cap is at an angle makes no difference to how the system works.

You would be able to run a head doctor with it quite happily, aslong as the bolt head was the same diameter as the standard (M6) bolt that is used so it sits inside the counterbore in the top cap (this is what you needed to do to get it to fit nicely btw :)).

:S

Josh.

Edited by Rob Leech
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Not meaning to start an argument here, but do you think angled top caps are some kinda of mechanical marvel? :S The bolt is still square and central to the fork, the fact that the top cap is at an angle makes no difference to how the system works.

You would be able to run a head doctor with it quite happily, aslong as the bolt head was the same diameter as the standard (M6) bolt that is used so it sits inside the counterbore in the top cap (this is what you needed to do to get it to fit nicely btw :)).

:S

Josh.

It doesn't.

If a normal top cap fits "happily" in the sloping stem, 1. Why would tdubs have problem fitting it? 2. What would be the point in sloping top caps?

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He said a head doctor top cap would fit on a sloping stem, which it wouldn't.

No, i said you would be able to use a head doctor with a sloping top cap :P.

Remember, a head doctor still uses an M6 bolt, just because theirs has a fancy head on it, dosen't mean you need to use it ;).

Cheers,

Josh.

Edited by Rob Leech
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Wait I see what you mean now JD, the head doctors expanding wedge would fit in the fork but the top cap that comes with the head doctor won't fit the sloping stem. My apologies giggle.gif

Bang on, no problem :).

Cheers,

Josh.

Edited by Rob Leech
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My confusion was that this topic was about a top cap, so when tdubz mentioned head doctor I forgot about the expanding wedge and only thought of the top cap that it came with haha. I really need to read things more than once blushing.gif

You know what i've just realised about this? He wasn't actually using a hope head doctor, but the gusset bolt through, so, depending on the size of the bolt head, it may well not of worked anyways :P.

Time=wasted, lol.

Josh.

Edit- I say wouldn't of worked, he'd of had to do a bit more than just drill it :).

Edited by Rob Leech
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You know what i've just realised about this? He wasn't actually using a hope head doctor, but the gusset bolt through, so, depending on the size of the bolt head, it may well not of worked anyways :P.

Time=wasted, lol.

Josh.

Edit- I say wouldn't of worked, he'd of had to do a bit more than just drill it :).

It didnt work at all haha

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