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Twins Talk Discussion of Hinckley Triumph Twin related matters and topics. Sponsored By: Throttle Mojo

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Old 11-28-2012, 09:54 AM   #1 (permalink)
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Bonneville / Thruxton front height difference?

Hey all

I was wondering if there is a difference between the front height of the Bonneville and the Thruxton? And is the Thruxton length rear shocks a direct bolt on to the Bonneville?
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Old 11-28-2012, 11:29 AM   #2 (permalink)
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Don't know about the first question but my guess is that the Thruxton is slightly lower due to 18" fron wheel. The rear shocks can and often are changed for a taller seat height and more likely slightly sharper steering. I did it to my 2004 T100 and I'm very pleased with the result on both counts.
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Old 11-28-2012, 11:54 AM   #3 (permalink)
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Which brand of Shocks did you go for?
Im currently looking at either Ikon's or Hagon's. Im only looking to cruise around the city. Which would you prefer?
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Old 11-28-2012, 12:10 PM   #4 (permalink)
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I'm really not going to say! I bought a set of shocks from a company that has had a lot of negative comments on here due to their alleged rip off of other firms products. I had a standard length set of Ikon adjustables before the change and with my type of riding (relaxed) I would say no need to pay for premium brands. Why not try and get a set of take off Thruxton originals? If you want the looks of the premium brands all I can say is there's plenty out there and some look more 'racey' than others.
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Old 11-29-2012, 12:01 AM   #5 (permalink)
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I've been thinking about doing the same thing on my '09 mag wheel Bonny. The Thruxton shocks are indeed longer, but since the shocks are mounted at an angle, the delta doesn't translate into a equal increase in seat height. Still, it should be a noticeable increase.
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Old 11-29-2012, 01:04 AM   #6 (permalink)
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Quote:
Originally Posted by garyy115 View Post
Hey all

I was wondering if there is a difference between the front height of the Bonneville and the Thruxton? And is the Thruxton length rear shocks a direct bolt on to the Bonneville?
Depends on the Bonnie. The standard or SE rides a 17" wheel, the T100 rides a 19" front.

I believe the rear shocks are 360mm on a Thruxton to a 340mm rear on a Bonneville T100. I plan on putting in an aftermarket 360mm rear shocks on the bonnie when I get it, to lift it up a tad. I'm 6' 2". The parts between the two should be interchangeable.

I hear good things of the Ikon or Koni shocks for the price:

http://www.triumphrat.net/twins-talk...on-shocks.html

You should probably do both fork springs and shocks.
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Last edited by Moogs; 11-29-2012 at 01:13 AM.
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Old 11-29-2012, 07:24 PM   #7 (permalink)
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base + se shocks are 330mm for the 2012,s if you want some comfortable shocks get the bitubo's, just put the midgrade ones on WOW what a nice ride, i am 170lb that is in their base setup, the springs actually flex when i bounce on the seat, very quality as well about $450 in the usa
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Old 11-29-2012, 11:10 PM   #8 (permalink)
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1/2 and inch height difference and yes the shocks just bolt on. You are talking about two exactly the same swing arms, engines and frames. Everything else is just bolt on differences.
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Old 11-29-2012, 11:59 PM   #9 (permalink)
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Quote:
Originally Posted by Streetzilla View Post
I've been thinking about doing the same thing on my '09 mag wheel Bonny. The Thruxton shocks are indeed longer, but since the shocks are mounted at an angle, the delta doesn't translate into a equal increase in seat height. Still, it should be a noticeable increase.
I agree with this thought, being that they are at an angle. But from my experience, the ride difference was actually exaggerated. Being the runt that I am, I dropped to a 310 mm (-1.2") rear. The space between the rear wheel and fender nearly disappeared. I don't know if this is because of the geometry of the spring angle vs. angle of movement of spring arm, or just my imagination. I just know the visual difference was much more than I had anticipated. The ride height for me was also effected more than expected, which was a nice surprise.

Long story short (too late), try playing with different heights. You may find a happy spot much easier than you realize.
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Old 11-30-2012, 06:00 PM   #10 (permalink)
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Originally Posted by Moogs View Post
Depends on the Bonnie. The standard or SE rides a 17" wheel, the T100 rides a 19" front.

I believe the rear shocks are 360mm on a Thruxton to a 340mm rear on a Bonneville T100. I plan on putting in an aftermarket 360mm rear shocks on the bonnie when I get it, to lift it up a tad. I'm 6' 2". The parts between the two should be interchangeable.
I, too, am going a tad longer...I'm only 6' tall, but am looking at the Hagon 2810's (+10mm), with black coils.
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