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Component group bolt tuning

Posted: Thu Apr 21, 2011 12:36 am
by gumgardner
I recall a thread that had the exact bolt types that were needed for each component, so tuning would be easier. I can't find it though and I'm sure it's outdated anyways.

Does anyone know the bolt sizes for today's groups? I'd especially be interested in the campy SR 11. I think I read that the SR already uses aluminum bolts. Is this true ?

Component group bolt tuning

Posted: Thu Apr 21, 2011 12:36 am
by Weenie

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Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 2:05 am
by bricky21
I think that most of the top tier groups today are using the lightest bolts possible.

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 7:22 am
by Ypsylon

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 8:18 am
by HillRPete
Tiso and KCNC have bolt sets as well -- in posh colours even.

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 11:18 am
by gumgardner
bricky21 wrote:I think that most of the top tier groups today are using the lightest bolts possible.


Can anyone confirm this?

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 4:47 pm
by Ypsylon
Nope.

The F&N save 18g over stock DA7900.

And as long as I don't see the Schmolke bolts on a stock groupset, you ain't got the lightest yet.

Image

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 5:52 pm
by gumgardner
Where do you get those?!

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 6:12 pm
by gumgardner
Found it.

Re: Component group bolt tuning

Posted: Thu Apr 21, 2011 7:24 pm
by madcow
I think this is the post you originally asked about: viewtopic.php?f=3&t=6953&hilit=bolt+list

Some of that is still correct, but some has changed as well.

It was mentioned that Kcnc make a bolt kit, but that's not correct, they make some pulley wheel bolts, and some bottle cage bolts that can be used for mounting front derailleurs, but other than that they don't make any others.

Tiso makes some kits, but they aren't complete. The derailleur kits for example don't include barrel adjusters or limit screws or any of the front derailleur parts.

XX makes some kits too, they are pretty complete (the best kits we've seen up until now). However they use bolts from different sources so the ano isn't always consistent. They are also pretty expensive.

It was also mentioned that most derailleurs are using the lightest bolts already. Again not necessarily the case. With the FnN samples that arrived we did some comparing and found the following changes.

7900, Savings 18grams.
105, Savings 24grams.
Campag10, Savings, 17 grams
CampagSR11, Savings, 14grams
Sram Red, Savings, 6 grams.
Sram Force, Savings 16 grams.

You could go lighter by mixing in the Schmolke bolts, but honestly they aren't very good in most places. On a derailleur about the only place I'd consider them is the pinch bolt and limit screws. (Note, they are quite good as bottle cage bolts and topcap bolts though.)

You can also get more savings by changing pulley wheels.

Re: Component group bolt tuning

Posted: Fri Apr 22, 2011 7:51 pm
by gumgardner
Thanks Madcow. You listed the campy record hardware parts in the earlier post. Are these the same one used for the 2011 Super Record 11sp? Here is the list from the other thread:

Madcow Wrote:
Heres my list of bolts for tuning, maybe it will save some people some time. If anyone has anything to add please post it.

Campy Record

Front Deraileur
Limit screws M3x16mm X2 (Button)
Pivot screw M4x6mm (Button)
Cage Screw M4x6mm (Button)
Mount bolt M5x14mm (socket head)
Pinch bolt M5x8mm (Tapered socket head)

Rear Deraileur
Limit screws M4x14mm X2 (modified button)
Pinch bolt M5x8mm (Tapered socket head)

Ergo Shifter
Pivot fixing bolt M4x22 (Socket head)
Ergo Mount M6x10-12mm(Brake mount nut)

Brakes
Pinch bolt M6x8mm (socket head)

Misc Campy
Downtube brz-on M5x8mm (button head)
Cable guide M5x6-8mm(button head)
crank bolts M8x24mm

Re: Component group bolt tuning

Posted: Wed Sep 12, 2012 5:42 am
by dereksmalls
So are the bolt details in this thread still the correct ones to get to do it yourself for Campag Record or am I better off forking out for a Far Near kit - even though I don't need the pulley wheels or bolts as I've got after market there already?

If not, has anyone got an up to date list of do it yourself bolts to get and from where? Comparing the below measures to somewhere like Jersey cycles and none of the sizes seem to match up unless I'm reading it all wrong

Re: Component group bolt tuning

Posted: Wed Sep 12, 2012 6:24 am
by austke
Can somebody clarify if these kits (e.g. xx) are titanium bolts or al?

Cheers Ken

Re: Component group bolt tuning

Posted: Wed Sep 12, 2012 7:18 am
by Frankie - B
Seeing that Ti is heavier then AL we can safely assume that the kits are AL.

Re: Component group bolt tuning

Posted: Wed Sep 12, 2012 7:34 am
by austke
Frankie - B wrote:Seeing that Ti is heavier then AL we can safely assume that the kits are AL.


Sorry, I was side tracked by the OP saying he thought that SR 11 were already AL, (and therfore wrongly presumed he may be chasing Ti bolt kits, Being a beginner WW and sick also probably doesn't help.

Austke

Re: Component group bolt tuning

Posted: Thu Sep 13, 2012 2:35 am
by mellowJohnny
Side question: are they any bolts you would not tune based purely on safety? I have rarely seen anyone talking about AL stem bolts, I assume for good reason.

Re: Component group bolt tuning

Posted: Thu Sep 13, 2012 2:35 am
by Weenie

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