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All about Frame and Suspensions Discuss tech help/info for: Hardtail and Full Suspension Frame
Fork, Shocks, Saddle Shocks.

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  #1  
Old 02-02-2013, 04:39 PM
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Default Fork measurements

If I were to ask a relative in the US to buy me a replacement fork for my bike, what measurements do I need to tell her? I know I need to say that it's for a 26" bike with disk brakes and that the current fork has a 75mm travel. I want to give her enough information to be able to walk into a bike shop in the US and say, "I need a fork that is bla, bla, bla..."

Thanks.
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  #2  
Old 02-02-2013, 10:10 PM
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Default Re: Fork measurements

if you know the model of your fork, that would be pretty much it. assuming of course your friend goes into a bike shop and not an outdoor/sport shop that has bikes.

anyway, check your frame how much fork travel can it accommodate. 75mm fork is a little difficult to find, 80 is more common, but 100..you won't have problems. then you need to know if you have IS or post mount db tab. how big are the rotors installed. you might get a fork that has default 180mm rotor instead of 160mm.

also give the measurement for the steerer tube, is it a straight 1 1/8? 1.5" straight? tapered?
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  #3  
Old 02-03-2013, 09:36 PM
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Default Re: Fork measurements

It might be more convenient & cheaper if you were to buy it locally. At least you would be sure it would fit your bike especially if you bring it to your LBS. Unless it's not available here.
  #4  
Old 02-04-2013, 08:16 PM
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Default Re: Fork measurements

Can you explain "IS or post mount db tab"?

Thanks.
  #5  
Old 02-04-2013, 10:49 PM
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Default Re: Fork measurements

a little googling will give you this

http://www.pricepoint.com/images/TEC...k_tab_type.jpg

again, do you know your fork make and model?
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  #6  
Old 02-06-2013, 01:18 PM
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Default Re: Fork measurements

Based on that picture, I have the first one. The international standard.



It's this bike... http://www.bikepedia.com/QuickBike/B...Disc&Type=bike

It lists "1 1/8" threadless Aheadset".
I'm pretty sure it has 160mm discs.

Would there be other info she would need to tell a bike shop?
  #7  
Old 02-06-2013, 02:22 PM
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Default Re: Fork measurements

Do some googling.
Buy online.
Have it delivered at her doorstep.
Easy.
Fast.
And sometimes cheaper.
:)
  #8  
Old 02-06-2013, 03:37 PM
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Default Re: Fork measurements

it would save time if you can provide the Frame manufacturer, model and year of production
  #9  
Old 02-06-2013, 06:11 PM
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Default Re: Fork measurements

pwede yung post mount to replace your current IS mount. you will only remove the caliper adopter, direct mount na yun.

just get a fork with compatible axle and steerer tube.
  #10  
Old 02-07-2013, 09:07 AM
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Default Re: Fork measurements

Quote:
it would save time if you can provide the Frame manufacturer, model and year of production
It's this bike... http://www.bikepedia.com/QuickBike/B...Disc&Type=bike
2010 GT Outpost Disc

Quote:
just get a fork with compatible axle and steerer tube
That's what I'm trying to do. But I don't know enough to know what to ask a bike shop.

Quote:
Do some googling.
I wish there was a place online where mountain bike people hung out and shared ideas and knowledge.
  #11  
Old 02-07-2013, 10:15 AM
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Default Re: Fork measurements

@propellerhead, we already gave you what you need

an 80mm travel fork with a 1 1/8" straight steerer tube. if you already have an adapter for your current disc brake (which most likely you have because you're using IS), it wouldnt matter if you get an IS or post mount.

if you can't get 80mm, you can go for 100mm. most forks in this travel still use 9mm QR so you're not likely to have problems with the hub interface.

what you need to decide is if you're getting coil or air. or do you want to have v-brake mounts or not.

if a bikeshop can't get that right....it's a no good bike shop. even REI and EMS, who are outdoor outfitters, can get that right and they don't specialize in bicycles yet.
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  #12  
Old 02-07-2013, 04:46 PM
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Default Re: Fork measurements

Quote:

That's what I'm trying to do. But I don't know enough to know what to ask a bike shop.

I wish there was a place online where mountain bike people hung out and shared ideas and knowledge.
Yes there is, where a no-holds-barred discussion is allowed.
Unfortunately, my mouth is gagged and I cannot say what MTB forum is.


No offense meant, but measurements are facts, so googling helps a bit.
;)
  #13  
Old 02-07-2013, 05:17 PM
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Default Re: Fork measurements

Quote:
an 80mm travel fork with a 1 1/8" straight steerer tube. if you already have an adapter for your current disc brake (which most likely you have because you're using IS), it wouldnt matter if you get an IS or post mount.

if you can't get 80mm, you can go for 100mm. most forks in this travel still use 9mm QR so you're not likely to have problems with the hub interface.
Cool. So basically the 1 1/8 steerer tube, disc brakes, 80-100 mm travel and air shock would be all that she will need to tell the shop.

Thanks!
  #14  
Old 02-07-2013, 05:46 PM
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Default Re: Fork measurements

those are the basics. but as suggested above, it might cheaper to get it here.

thing is....if she's going to be offered high end forks...she might be asked

1) stanchion diameter
2) in case of fox, Kashima coated or not?
3) rider weight (to set the air pressure)
4) will the steerer tube be cut?
5) will a starnut be installed?
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  #15  
Old 02-08-2013, 01:11 AM
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Default Re: Fork measurements

based on the specs provided choose a fork online - brand and model number, better if you can download the picture. thats what i do :) para walang sisihan kung mali ang naiuwi :)
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Old 02-14-2013, 06:40 PM
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Default Re: Fork measurements

I agree on buying it locally. i canvassed parts while Im in US just 2 mos ago. parts are if not relatively the same are a little bit higher. I suggest buying it locally, we have a huge variety of forks here as well. unless they're gonna pay for it. :D
  #17  
Old 02-15-2013, 01:05 PM
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Default Re: Fork measurements

Ok. I'll ask if ever I get around to a bike shop here. Thanks.
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