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PostPosted: Thu Nov 08, 2012 12:32 pm 
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Joined: Sun Jul 10, 2011 9:03 am
Posts: 292
I've always ridden bikes with head angles at or near 73°. My latest was 72.8° with a 43mm fork offset giving c 58 trail. That was sweet.
Now I'm thinking of going to a smaller frame with a head angle of 71.5° with 45 offset giving a trail of 64mm.
I'm wondering what to expect with respect to steering. I guess it will be noticeably different maybe a bit slower at dodging around holes in the road but idk.
Can anyone offer any enlightening observations?

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PostPosted: Thu Nov 08, 2012 1:14 pm 
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Joined: Tue Jul 06, 2010 2:44 pm
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Steering will be slower
What about trying a fork with 50mm offset?


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PostPosted: Thu Nov 08, 2012 5:15 pm 
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I have two bikes, one of each type. I honestly don't know which I prefer. For sweeping descents with predictable lines, I sort of like the auto-steering effect of long trail. But when I need to change lines, it requires more countersteer, which I don't like. For climbing, either is fine, just different. In one case I can snap the bike around more, in the other it's more of a stable platform against which I push.

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PostPosted: Sat Nov 10, 2012 12:34 pm 
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BobSantini wrote:
head angle of 71.5° with 45 offset giving a trail of 64mm.


Might be a possibility of some wheel flop?

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PostPosted: Sat Nov 10, 2012 3:35 pm 
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LOOK uses a 72 degree HTA with 43mm of offset to produce the same 64mm of trail on 51cm frames. It handles fine. There will be no wheel flop.


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PostPosted: Sat Nov 10, 2012 5:23 pm 
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Slower, but flop is pretty small so not very noticeable.

Notice, many things affect handling a lot, such as rim profile, cable routing and tightness, stem length, weight distribution, etc., so they all play into the total result.

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PostPosted: Sat Nov 10, 2012 6:45 pm 
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Quote:
LOOK uses a 72 degree HTA with 43mm of offset


72°, 43 mm is my favorite. I have a Look KG76, and some prior bikes with that combibation. It just seems "right". I also have other bikes with different combinations that all seem a little quirky somehow.


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