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Old 03-20-2005, 11:52 PM
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Default tripple clamp offset

     

A while ago i was talking to a fellow rider about tripple clamp offsets. Without looking stupid I did the whole " smile and knod" thing Yet, I'm still confused. What is the advantage of changing the offset? I have no clue what this does...anyone willing to respond would be helpful.
thanks in advance
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Old 03-21-2005, 12:19 AM
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Default Re: tripple clamp offset

If you change the triple clamp offset, it will point the forks either closer or farther from the bike, which will change the handling characteristics. For example, changing the offset may make a bike turn quicker.

Last edited by AaronRider; 03-21-2005 at 12:32 AM.
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Old 03-22-2005, 04:37 PM
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Default Re: tripple clamp offset

I don't know the exacts either, however, my '03 CRF comes stock with 24mm offset T-clamps. If you change them to 22mm or 20mm the bike will turn better at the cost of some high speed stability. Basically, it changes the distance from the center of the crank to the center of the mounting bolt for the front tire. 20mm vs 24mm - 20 mm would mean the front wheel is closer to the bike.
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Old 03-22-2005, 04:51 PM
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Default Re: tripple clamp offset

Anyone know how they measure the offset?
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Old 03-22-2005, 05:26 PM
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Default Re: tripple clamp offset

Changing triple clamp offset changes the trail of the bike, which affects handling. Trail affects the self-centering behavior of the front end. More makes it more stable, at the expense of turning quickness. Like most things, it's a trade off/balancing act.

Offset is measured from the center line of the steering stem to the center line of the fork axes.

A good book on the subject is Motorcycle Chassis Design by Toany Foale and Vic Willoughby.
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Old 03-23-2005, 12:51 AM
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Default Re: tripple clamp offset

Quote:
Originally Posted by mtk
Changing triple clamp offset changes the trail of the bike, which affects handling. Trail affects the self-centering behavior of the front end. More makes it more stable, at the expense of turning quickness. Like most things, it's a trade off/balancing act.
So would you say trail is like degree of caster on a car/truck?
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