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 Post subject: Spacers
PostPosted: Thu Sep 12, 2013 2:32 pm 
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Joined: Fri Apr 12, 2013 1:19 pm
Posts: 768
Location: South West England
So I'm due to finish my new build, however am yet to cut the steerer. Now I have a dilema. If I cut it to length with 5mm spacer above stem, when I come to upgrade Stem/headset down the line (I intend to), what happens if they are too large to allow said 5mm spacer? Should I stick a 10mm/2x5mms or 5+3mm on for now?

Opinions?

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Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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 Post subject: Spacers
Posted: Thu Sep 12, 2013 2:32 pm 


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 4:01 pm 
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Joined: Tue Jan 13, 2009 3:30 pm
Posts: 42
Location: Mountain View, CA
I'd explore the market and and see how your current stem's stack height compares with other options out there. If you are on the large side, you probably don't need to leave tons of extra space. If you're on the small side, leave some room.

Having said that, when in doubt leave extra space. You can always cut it shorter later. Going the other way can be an expensive proposition.


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 4:11 pm 
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Location: South West England
That's what I'm worried out. Stem will be slammed, so the debate is weather to add 5, 7 or 10 above it. I guess I may as well just go with 10 and cope with the ugliness for a few months.

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Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 4:27 pm 
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Location: Mountain View, CA
Yeah, if you know you'll be changing stems, then dealing with some extra steerer tube sticking out for a while seems like the best plan. Stack height can vary a fair bit. For example, there's about a 5mm difference between Thomson (36.07) and Enve (41). So leaving 10 now could potentially leave you with 5 down the road. If you *really* don't know what stem you'll be moving to, you might consider leaving more than 10, just to be extra safe.


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 4:37 pm 
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Location: South West England
Good plan Batman. Thanks for the opinion. Maybe a 10 and a 3 would suffice. Will have a play around with some spare spacers and see what's what.

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Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 7:29 pm 
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Joined: Tue Feb 05, 2013 8:29 pm
Posts: 236
Important thing to consider--what's your steerer made of? If it's alloy, then it's not necessary to have a spacer above the stem.


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 8:51 pm 
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Location: South West England
I plan to upgrade to carbon in the near future.

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Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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 Post subject: Re: Spacers
PostPosted: Thu Sep 12, 2013 9:33 pm 
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Joined: Fri Oct 28, 2011 3:25 am
Posts: 1441
Location: United Kingdom of Great Britain and Northern Ireland
So why don't manufacturers state stack heights in their product info?

And why don't manufacturers state on a spacer what size it is so as to save us the trouble of getting a ruler/Vernier out?

Really ... it is not Rocket Science.


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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 12:25 am 
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Joined: Mon Oct 15, 2007 9:28 pm
Posts: 1328
Leave 1-1.5cm on top if not sure.
Most stems are 38-43mm stack, Except Moots- they are 48mm.
Can always cut more-


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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 7:22 am 
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Joined: Fri Aug 10, 2012 11:54 am
Posts: 128
Why not just buy the stem now, treat yourself, then no need to worry ;)


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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 8:30 am 
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Location: Holland
sigismond0 wrote:
Important thing to consider--what's your steerer made of? If it's alloy, then it's not necessary to have a spacer above the stem.


Yeah but a 5mm spacer above the stem looks pro :smartass:

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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 8:38 am 
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Location: South West England
mattyb95 wrote:
Why not just buy the stem now, treat yourself, then no need to worry ;)


I forgot to water my money tree and it died.


asphaltdude wrote:
Yeah but a 5mm spacer above the stem looks pro :smartass:


:thumbup:

_________________
Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 10:24 am 
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Location: Urbana, Illinois
Sounds like you're being a little too financial responsible. Joking aside do you know what stem you eventually want to get? If so find out the stack height and then go from there. If you don't pick the one you will eventual get and find out the stack height.

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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 10:31 am 
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Location: South West England
That would be a good plan but I have no idea what I will go for. Depends entirely on what comes up for sale or is cheap at the time. :noidea:

I think I'll just go for 10mm above for now and get the bike working, then I can decide.

_________________
Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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 Post subject: Re: Spacers
Posted: Fri Sep 13, 2013 10:31 am 


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 Post subject: Re: Spacers
PostPosted: Fri Sep 13, 2013 2:16 pm 
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Joined: Fri Apr 12, 2013 1:19 pm
Posts: 768
Location: South West England
In addition, a point that has been missed is allowance for headset. If I change my headset down the line could it not alter the amount of available steerer? I know literally nothing about headsets so I'm at a loss with this one.

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Campagnolo; because I ride a bicycle, not a fishing rod.
M∆SON Definition / Camapgnolo endurance & bikepacking build - ~8.4kg


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