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|  | Topic : Handlebar end weights |  |
| | | sactownspeedy | | Set |  |  | | Reg. Date | : | 21/03/2012 | | Posts | : | 17 | | Location | : | Sacramento, ca, United States |
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| | Posted : 10 Jun 2012 - 21:16 Post title : Handlebar end weights | | | Has anyone tried diffrent handlebar end weights on the Thunderbird to help with the handlebar vibrations? Does anyone know if the chrome ends that Triumph sells weigh anymore than the stock ones? I'm running stock grips with foam slipon's on the Triumph T-bar. I just recenly pickup a used Corbin solo seat with backrest and with the change in riding position due to the seat i seem to be noticing the bar vibrations alot more
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| | | mjgt | | Thor | |  | | Reg. Date | : | 16/09/2011 | | Posts | : | 2,201 | | Location | : | North Somerset, United Kingdom |
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| | Posted : 10 Jun 2012 - 21:21 Post title : Re: Handlebar end weights (Re: sactownspeedy) | | | You will be quite restricted to what you can do as there is a threaded washer just inside the end of the bars so any other weight has to fit this unless you remove it to fit something better. There are plenty of alternatives in steel in 7/8" but not much in 1". I believe the chrome ones are the same weight. There is another thread on this on the site, take a look.
| Mick . . .  Keep the rubber side down!!
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| | | thanks4thefish42 | | Set | |  | | Reg. Date | : | 11/11/2010 | | Posts | : | 269 | | Location | : | High Springs, FL, United States |
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| | Posted : 19 Jun 2012 - 15:30 Post title : Re: Handlebar end weights (Re: sactownspeedy) | | | I have a set of Manic Salamander bar end weights on mine-I got the one with a Throttle Lock. The throttle lock never worked right but the vibrations are totally gone.
I also checked the balance on my front wheel and it was off a bit but the bar end weights did the trick. They stick out and look funny but my hands and wrists do not miss the vibrations.
Link
I would call them and make sure your getting the ones that bolt on the bird.
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Calling upon my years of experience, I froze at the controls. ~Stirling Moss
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| | | daz | | Zeus | |  | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,729 | | Location | : | United States |
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| | Posted : 19 Jun 2012 - 15:41 Post title : Re: Handlebar end weights | | | I just had an idea and i may just try this. Inside the switch housings there is a good bit of room. What about stuffing them with lead fishing weights? You can easily hammer it into various shapes to fit as much of it as possible. Granted, they won't do as much as it would at the end of the bar, but if you can fit enough in there it could potentially make a difference. I'm going to have to have a look when i get the time.
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | bnz433 | | Jupiter | |  | | Reg. Date | : | 10/06/2011 | | Posts | : | 1,843 | | Location | : | Clifton Park (Upstate), NY, United States |
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| | Posted : 19 Jun 2012 - 15:55 Post title : Re: Handlebar end weights (Re: sactownspeedy) | | | I put on some Kuryakyn Black ISO grips, and while I didn't measure the weight difference with their end weights compared to the stock weights, the total assembly is a bit "heftier" compared to stock (ie the stock rubber grips and end weights seem to weigh a good bit less than the Kury ISO grips and end weights). Between that and the rubber pads on the ISO's, it has significantly reduced high frequency vibrations (the numbing ones). I also added the throttle boss with the install, and gives me a way to relax my throttle hand on longer runs.
Jamie
| Bennington Triumph Bash - 31May-2June 2019. Home of the (tied in '14 & '15) US RECORD T-BIRD FLOCKING!!!!!
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| | | MotorMac | | Jupiter | |  | | Reg. Date | : | 29/08/2010 | | Posts | : | 1,931 | | Location | : | Nor Cal, United States |
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| | Posted : 21 Jun 2012 - 04:12 Post title : Re: Handlebar end weights (Re: sactownspeedy) | | | Hey Sactown, hi neighbor!
I have to say, I get virtually no vibration on handlebars. I have video cams hard-mounted on bars producing video that rarely ripples very slightly and only at rare harmonic frequencies. Bound to be harmonics, and that's the perceived effect of vibration on video - a very slight ripple in the image. Surprising at how smooth video is without any rubber or special mounting.
Having said that, I get the tingling/numbness in throttle hand on occasion - which I believe is what bar-end weights are supposed to address, right? But with little or no vibration to begin with, I'm wondering if extra weight would help or hurt..... I've come to blame a combination of unpadded stock grips and a sometimes unconscious "death-grip" on throttle. I don't get that odd sensation when wearing heavy winter leather gloves, if that's your concern.
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| | | mag10 | | Set | |  | | Reg. Date | : | 05/02/2010 | | Posts | : | 485 | | Location | : | Wisconsin, United States |
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| | Posted : 21 Jun 2012 - 12:53 Post title : Re: Handlebar end weights (Re: MotorMac) | | | When I first got the bird I changed the risers (to better fit me) and created a handle bar buzz that really annoyed me, so I started working on it. Before finding the error in the handle bar isolator tubes I tried a number of other thing with the handle bars, Most worked out to be incremental improvement at best.
filled the bars with #7 lead shot - removed that about 2 days later
drilled out the ends of the stock bars, the steel is quite soft
pulled a length of bar snake material thru the handle bar
made up brass bar end weights that are filled with lead shot. there is about an once and a half of shot and it is just loose enough to be able to shake a bit. The idea is the same as a dead blow hammer.
probably the best fix (and easiest) is making that isolator tube 1 mm longer
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| | | Thatch | | Thor | |  | | Reg. Date | : | 24/06/2009 | | Posts | : | 3,655 | | Location | : | Savannah, GA, United States |
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| | Posted : 21 Jun 2012 - 13:09 Post title : Re: Handlebar end weights (Re: mag10) | | | I must be remembering wrong, but I thought you made the isolator tube shorter to allow the rubber to compress some and take out the vibes.
Now I'm going to have to go find that old thread.
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| | | Gala | | Set | |  | | Reg. Date | : | 12/05/2012 | | Posts | : | 81 | | Location | : | Australia |
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| | Posted : 21 Jun 2012 - 13:24 Post title : Re: Handlebar end weights (Re: Thatch) | | | Longer mate, by no more than 1mm exactly
you want the rubber to de-compress , not compress more
but only de-compress slightly to 'relax the bush & allow it to do its 'vibration absorbing' job much more effectively.
I found any more than 1mm translates to way too much play at bar ends of >20mm forward/backward lateral movement of the bars.
Mine ended up being 45.8mm total spacer length & it is spot on perfect. Nil bar movment & reduced the painful numbing high freq vibes >80% I would have to say.
standard spacer =16 * 45mm
mod spacer = 16 * 45.8 - 46mm
| | Post edited by Gala on 21 Jun 2012 - 13:35 |
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| | | daz | | Zeus | | | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,729 | | Location | : | United States |
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| | Posted : 21 Jun 2012 - 14:06 Post title : Re: Handlebar end weights (Re: Gala) | | | I had high hopes for the spacer fix, but it did nothing noticable for me. Got some washers the same inside diameter as the tube, ground the outer side so they were the same as the outer diameter, I DID check with a digital caliper and they were 1mm thick. Ran like that for a few months and never noticed a difference. Took them out finally and noticed no worse vibes. I cannot figure out why others find this mod works so well, but i don't see how i could have screwed it up.
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | Thatch | | Thor | | | | Reg. Date | : | 24/06/2009 | | Posts | : | 3,655 | | Location | : | Savannah, GA, United States |
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| | Posted : 21 Jun 2012 - 14:08 Post title : Re: Handlebar end weights (Re: daz) | | | It seems I get different levels of vibrations every time I refit my handle bars. Sometimes I get nothing, sometimes its like there is a belt sander on my fingertips... It's all magic to me at this point.
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| | | mat1600 | | Thunderbird | |  | | Reg. Date | : | 06/03/2010 | | Posts | : | 8,596 | | Location | : | Bridlington, Democratic Independant State of Yorkshire, United Kingdom |
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| | Posted : 21 Jun 2012 - 14:15 Post title : Re: Handlebar end weights (Re: Thatch) | | | That one extra quarter turn with the spanner could make all the difference.
| My first natural instinct is to breathe. My second is to evade tax's.
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| | | daz | | Zeus | | | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,729 | | Location | : | United States |
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| | Posted : 21 Jun 2012 - 14:36 Post title : Re: Handlebar end weights (Re: mat1600) | | | It just occured to me maybe it has to do with the type of bar. After all, not all of us have the same. Some r stock, some have T bars like me, some the wide bars. Big Jack has america bars. The storm has yet another different riser and bar.
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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