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Modifying a bike for low trail.

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Modifying a bike for low trail.

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Old 08-08-10 | 06:11 AM
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Bikes: Surly LHT and Opus Urbano

Modifying a bike for low trail.

Hello all.

There's a discussion at the Surly's Google group about putting on an LHT frame a fork with more rake than the standard one has (43 mm) to make of it a French randonneur style bike. I am wondering if this really could be so simple or rather if there isn't much more to do to turn a LHT into a low trail bike and have it handle well. After all, wasn't the whole frame designed with high trail in mind?

Thank you for your opinions on that matter.
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Old 08-08-10 | 11:39 AM
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As far as the steering is concerned it is the front end that is doing the heavy lifting. If your target bike also had a 72 degree steering angle, putting a different fork on it would get you there, but the fork has to be designed to have the same height, the extreme would be putting a 29er shock replacement rigid fork on there!

Kogswell did a lot of messing around with fork angles and even stocked some Porteur forks with different angles in various wheel sizes.
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Old 08-08-10 | 01:59 PM
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all you need is a fork with the right length and rake. There is no magic to getting low trail
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Old 08-08-10 | 06:18 PM
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Sorry, by angles I meant the rake.
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Old 08-08-10 | 07:26 PM
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I know, I was just simplifying what you said
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Old 08-09-10 | 03:17 AM
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Cool then!

Thanks guys.
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