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rake & trail

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Old 11-20-2011, 10:40 AM
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Default rake & trail

Just looking at the spec on the Ultra and Tri Glide. The rake is the same (26*) but the trail is different (Ultra 6.69", TriGlide 3.94"). Can anyone explain?
also has anyone put a rake kit on the Tri Glide, can't believe the Ultra & Tri Glide have the same rake, trikes need more rake to ease the turning

thanks
Steve
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Old 11-20-2011, 12:47 PM
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Originally Posted by azwiz View Post
Just looking at the spec on the Ultra and Tri Glide. The rake is the same (26*) but the trail is different (Ultra 6.69", TriGlide 3.94"). Can anyone explain?
also has anyone put a rake kit on the Tri Glide, can't believe the Ultra & Tri Glide have the same rake, trikes need more rake to ease the turning

thanks
Steve
Just a W.A.G., but longer trail increases directional stability... Shorter trail makes a bike a lot more reactive but easier to steer. I suspect what H-D was looking for was a way to create an easy-to-steer machine without having to tool up for a different neck/frame rake angle. (Cost savings) Hence, they left the rake alone and cut the trail to increase ease of handling, but in the course of doing so they ended up with a very goosey machine in terms of directional stability. Hence, they added the steering damper to off-set the tendancy to over-steer.

From my own limited experience with the 2011 Tri Glide, I can manage the potential oversteer now that I've got a few hundred miles on the thing. The effort to turn is fine in my case, but others who've got upper joint and/or strength challenges might find it a bit too much for long rides.

At any rate.. that's my 2 cents' worth!
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Old 11-20-2011, 02:01 PM
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The triple trees on the triglide are raked, they have a different part number than 2 wheel bikes and you can see the stem is located different plus the forks are 1 3/4" longer which helps increase rake.
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Old 11-20-2011, 02:12 PM
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The triple trees on the triglide are raked, they have a different part number than 2 wheel bikes and you can see the stem is located different plus the forks are 1 3/4" longer which helps increase rake.
I figured they'd have had to do something like that... No other way that I could see to change the trail.
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