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Cyclocross and Gravelbiking (Recreational) This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 10-20-11, 04:27 PM   #1
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Rigid carbon fork?

Will a cyclocross fork fit on a hybrid bike? what would be the largest tires tires it could run? i have Mavic Cosmic wheels.

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Old 10-20-11, 11:49 PM   #2
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You must match the fork column diameter, which probably needs to be 1 1/8". Then you need to match brake mount type, which should be OK for a hybrid and a CX fork. So as not to alter the handling of the bike, you need to match the axle to crown length of the old and new fork and the rake. If not, it should still work, but the bike may become faster or slower to respond to steering input.

To change forks, you need to know how to and have the tools for the following tasks: Remove crown race, install crown race, cut the steering column to the correct length, and install the star nut (or some other mechanism if the steering column is carbon). These re not simple tasks and are made much easier by having the right tools. It may be best to have your local bike shop do the work, and if that is the case then you'll also need to buy the fork through them; then can also then advise you as to which model is compatible with your frame.

As for tire clearance, it depends on the fork. Some may only take 35mm tires, other models 50mm tires.
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Old 10-21-11, 12:49 AM   #3
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If you have a 700c suspension style fork, you may also need a long steerer ,
and put a spacer between the fork crown race seat, to shift the crown race up to not
alter the steering geometry..

I suggest N+1, shopping.. buy a new bike with a carbon fork installed as delivered.

Cross fork?, probably a 35 wide tire is about it..
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Old 10-21-11, 03:37 PM   #4
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Originally Posted by fietsbob View Post
....Cross fork?, probably a 35 wide tire is about it..
Depends, I can fit a 29er 2.1 on my fork with clearance.
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