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Old 06-11-06, 03:09 PM   #1
matt_29
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Does stuff work together?

I am new to mountain biking and i was wondering how compatable the aftermarket parts are? Like if I were to get a Specialized Hardrock Comp can I just buy fox forks and have them mount right up?
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Old 06-11-06, 03:25 PM   #2
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Sure. I ran a Vanilla on my HR.
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Old 06-11-06, 03:33 PM   #3
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Sure. I ran a Vanilla on my HR.
How did the disc brake mount? Do you have to buy anythign besides the forks? Thanks
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Old 06-11-06, 06:10 PM   #4
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You need to make sure the bike is "disc ready". That means disc compatable hubs (hubs that have holes to bolt the disc to), and tabs on the frame to mount the brakes.

Any bike shop will be able to tell you if the bike is disc ready or not.
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Old 06-12-06, 09:45 PM   #5
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a Fox Vanillia will for sure fit your frame as long as its given a long enough steertube. And yes u need disc hub for rotors to mount onto the hubs and taps for caliper mount to frame
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Old 06-13-06, 02:14 PM   #6
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Sorry for the confusion...I am NEW anyhow, you guys say the calipers mount to the frame? I thought they go onto the forks?
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Old 06-13-06, 02:31 PM   #7
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on the front they mount to the fork and on the rear they mount to the frame
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Old 06-13-06, 03:29 PM   #8
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Quote:
Originally Posted by matt_29
I am new to mountain biking and i was wondering how compatable the aftermarket parts are? Like if I were to get a Specialized Hardrock Comp can I just buy fox forks and have them mount right up?

Short answer: Yes

Longer answer: Usually. As noted with disc brakes and forks, sometimes you need to make sure existing components will work. As well as caliper mounts on the fork and seatstay, you need a wheelset with disc-specific hubs to mount the discs on. Regarding forks, you need to make sure it is the same size steerer tube(almost always 1 1/8" on mountain bikes) and if buying used, that the steerer tube is long enough to mount your stem to at the proper height.

If your plan is to upgrade parts aftermarket the typical rule is to get the best frame your money can afford. Changing the parts around the frame is easier and more cost effective than changing parts between frames.
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Old 06-14-06, 12:38 PM   #9
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Sorry, I should have stated before that I'm looking at getting a new hardrock thats complete. So I would already have the hubs, disks...So now I'm wondering are all forks the same length? Like would I be able to get some with more than 100mm travel or should i stay with 100mm?
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Old 06-14-06, 03:03 PM   #10
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Matt:

Just depends on how you plan on riding your bike. For regular "cross-country" a 100mm fork is fine... perfect in fact. If you plan on doing some gnarly downhill, or more "all mountain" you might want to consider a 120 - 130mm fork but I'm uncertain if your bike is designed for such a large fork. Generally the fork the bike comes with is what the bike is designed to take.

There is some debate on whether you should ride with V or disc brakes. Generally people have hardtails because they are lighter/faster. Adding disc brakes adds some more weight and can slow the bike down (personally I'm not rocketing down anything so like my disc brakes).

I would really take your questions to a reliable bike shop or mechanic and see what they recommend.
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Old 11-13-07, 10:48 PM   #11
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I'm considering buying a used or OEM fork from ebay or an online vendor, does anyone know exactly how long the used fork's steerer tube needs to be for my '08 Hardrock? Many are cut to 7 1/2 to 8inches and I don't want to risk the tube being too short and not being able to use it. Thanks in advance!
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Old 11-13-07, 11:01 PM   #12
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Originally Posted by matt_29 View Post
I am new to mountain biking and i was wondering how compatable the aftermarket parts are? Like if I were to get a Specialized Hardrock Comp can I just buy fox forks and have them mount right up?
You can buy a Fox fork of the same travel as the original fork (100mm), cut the steerer tube, install the crown race and starnut, and mount it to a new Hard Rock. But that would be kind of silly considering a Fox fork costs about as much as the bike you would be putting it on.
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Old 11-13-07, 11:04 PM   #13
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Originally Posted by toopercentmlk View Post
I'm considering buying a used or OEM fork from ebay or an online vendor, does anyone know exactly how long the used fork's steerer tube needs to be for my '08 Hardrock? Many are cut to 7 1/2 to 8inches and I don't want to risk the tube being too short and not being able to use it. Thanks in advance!
Measure the distance between the bottom of your lower headset cup to the top of your stem. That will get you really close to the correct steerer tube length. If you don't go any shorter than that length, you shouldn't have any problems.
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Old 11-13-07, 11:40 PM   #14
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Originally Posted by Thor29 View Post
Measure the distance between the bottom of your lower headset cup to the top of your stem. That will get you really close to the correct steerer tube length. If you don't go any shorter than that length, you shouldn't have any problems.
Thanks for the info! Is the bottom of the lower headset cup the red or blue?

Last edited by toopercentmlk; 11-13-07 at 11:46 PM.
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Old 11-14-07, 05:09 PM   #15
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blue.
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Old 11-14-07, 05:18 PM   #16
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Just dont cut the steerer tube too short!

If its a little bit too long just add in spacers.
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