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cruiser conversion(handle bar change question)

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kawashima
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PostPosted: 11:46 - 15 Dec 2012    Post subject: cruiser conversion(handle bar change question) Reply with quote

If I attach pull-back handle bar on TDM, will it become a comfortable tourer or cruiser do you think? Is there any cons I have to be careful?
What do you think of this idea?

https://i21.photobucket.com/albums/b295/kawashima_/TDMpull-back-bar.png

edit this "HIGH" type looks good.
https://rough-and-road.weblogs.jp/.a/6a0120a850207b970b013487d023ff970c-800wi
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owned: 2012 YB125SP, 2008 TDM900, 2005 W650, 2002 LS125R, 2002 CB400SF, NS50F, C50 / Trip to UK(2009), Hokkaido touring(2013)


Last edited by kawashima on 19:42 - 15 Dec 2012; edited 1 time in total
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kawashima
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PostPosted: 19:37 - 15 Dec 2012    Post subject: Reply with quote

TDM normal handle bar width is about 80cm.
The above picture
Hardy road bar HIGH type width is 66cm.
I think I will be less tired if I attach narrower handle bar but I haven't tried yet.
Do you think 80cm to 66cm change is acceptable?
have you ever changed to narrower handle bar? I want to know what it feels like.

I also want to know why TDM or DL1000/650 type bike always have wider handle bar which seems to be more tired on long touring.
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owned: 2012 YB125SP, 2008 TDM900, 2005 W650, 2002 LS125R, 2002 CB400SF, NS50F, C50 / Trip to UK(2009), Hokkaido touring(2013)


Last edited by kawashima on 20:11 - 15 Dec 2012; edited 1 time in total
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nowhere.elysium
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PostPosted: 19:44 - 15 Dec 2012    Post subject: Reply with quote

That's a big change. Have you experimented with just rolling the bars towards you? That can often feel like a massive change, even though it's only a few degrees difference.
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kawashima
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PostPosted: 19:51 - 15 Dec 2012    Post subject: Reply with quote

nowhere.elysium wrote:
That's a big change. Have you experimented with just rolling the bars towards you? That can often feel like a massive change, even though it's only a few degrees difference.

I added bar riser(+25mm up) and rolled the bar toward me,
but now the wires are tight and limit, it helped a lot compared to normal. But I want to pull more towards me. Then I need to change bars and wires, then I felt it interesting trying narrower one too.
And rolling my bars changes the bar angle a little bit strange, I felt I should change bars to try more different position.
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nowhere.elysium
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PostPosted: 20:10 - 15 Dec 2012    Post subject: Reply with quote

Fair enough. I just find that I'm a little reticent to change one thing so much; I tend to work on the basis of smaller changes adding up quickly, so I'd also take a look at the footpeg position and the seat height, if I had discomfort issues; although it's your arms that are drawing you forward at the moment, the legs and lower back define the rest of your position just as much. It'd offer you some more flexibility, in that you can achieve more variation in rider position if you have more points of movement to work with.

There's also the fact that by changing the bars for ones with greater rake, you'll affect the overall handling and steering response a bit, because you're modifying the bike's geometry at that point. If you go for a peg or seat conversion, you're modifying the rider's geometry without affecting the bike itself.
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kawashima
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PostPosted: 20:23 - 15 Dec 2012    Post subject: Reply with quote

nowhere.elysium wrote:
Fair enough. I just find that I'm a little reticent to change one thing so much; I tend to work on the basis of smaller changes adding up quickly, so I'd also take a look at the footpeg position and the seat height, if I had discomfort issues; although it's your arms that are drawing you forward at the moment, the legs and lower back define the rest of your position just as much. It'd offer you some more flexibility, in that you can achieve more variation in rider position if you have more points of movement to work with.

There's also the fact that by changing the bars for ones with greater rake, you'll affect the overall handling and steering response a bit, because you're modifying the bike's geometry at that point. If you go for a peg or seat conversion, you're modifying the rider's geometry without affecting the bike itself.

Thanks! Changing bars need to be carefully done! It may worsen handling and steering response. 80cm to 66cm may be too big change. I think I should search for a little bit wider than 66cm one.
I haven't tried changing pegs and seat yet. But TDM's pegs are fine for me. Seat is a little bit higher than best for me but acceptable.

If I try changing handle bars, I will keep the original bar so that I can go back any time.
Thanks for your helpful post Thumbs Up

I'll go to bike shop on Sunday.
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own:2020 Serow 250
owned: 2012 YB125SP, 2008 TDM900, 2005 W650, 2002 LS125R, 2002 CB400SF, NS50F, C50 / Trip to UK(2009), Hokkaido touring(2013)


Last edited by kawashima on 20:24 - 15 Dec 2012; edited 1 time in total
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barrkel
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PostPosted: 20:24 - 15 Dec 2012    Post subject: Reply with quote

nowhere.elysium wrote:
There's also the fact that by changing the bars for ones with greater rake, you'll affect the overall handling and steering response a bit, because you're modifying the bike's geometry at that point.


This isn't true. Changing the handlebars won't alter the rake, which is the angle of the steering axis of the front wheel to the vertical.

Changing where the user grips the steering axis will affect the handling a bit - it will help move the combined centre of gravity, probably higher and further back, so the bike will turn a little slower, and the rider sitting more upright will mean they have slightly less force to steer the bike suddenly (Twist of the Wrist's pivot steering, i.e. pushing against the opposite peg in order to give you extra leverage while you push on the handlebars, only really works if you're leaning over the handlebars, as otherwise pushing on the peg just lifts you out of your seat). Wind resistance will probably increase too, and the bike will be slightly more likely to wheelie.

But the dynamics of the bike on its own are not really affected by the position of the handlebars.
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nowhere.elysium
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PostPosted: 20:34 - 15 Dec 2012    Post subject: Reply with quote

I was commenting more on the rake of the bars than the forks; I know that the forks are in a fixed position, but if the point at which the rider influences the movement of the forks is moved further back and outwards, as those bars would suggest, then it requires a very different movement to steer the bike. I know that the majority of it will be done with leaning, as opposed to turning the bars, but still; it's a very different position from which to apply force to the bars, and will alter handling as such, in my experience.
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noobRider
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PostPosted: 20:36 - 15 Dec 2012    Post subject: Reply with quote

Surely if the bike is that far away from your comfort level you'd be better selling it and getting one that suits you better.
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kawashima
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PostPosted: 20:40 - 15 Dec 2012    Post subject: Reply with quote

I could understand both barrkel and nowhere.elysium's post.
With narrower bar I can't steer quickly and I need more power to steer.
But the bike itself won't change into cruiser handling which will go straight. But also more upright position will lead to less weight on front tyre, which will affect its handling.

I still can't do pushing against the opposite peg technique properly yet Embarassed I'm not good at cornering Embarassed
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kawashima
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PostPosted: 20:52 - 15 Dec 2012    Post subject: Reply with quote

noobRider wrote:
Surely if the bike is that far away from your comfort level you'd be better selling it and getting one that suits you better.

The 1st picture was a little bit too extreme Embarassed
I want to pull the bar more a little bit and make it a little bit narrower.
To be honest, my best choice for my liking might be MT-01 with half fairing top box attached. But I can't afford it yet.
TDM must be alps roader which must be handling machine while I prefer relaxed long touring. I might have chosen wrong machine but my budget won't permit me to change machines now.
I will pay new bar and wire/hose and fee for trying new position on TDM. It's lucky if it fit me. If it doesn't it's unlucky but the amount for the conversion is acceptable.
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keggyhander
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PostPosted: 22:25 - 15 Dec 2012    Post subject: Reply with quote

noobRider wrote:
Surely if the bike is that far away from your comfort level you'd be better selling it and getting one that suits you better.


That post suits your username.
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bikertomm
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PostPosted: 22:28 - 15 Dec 2012    Post subject: Reply with quote

I think that would make a huge difference as to how the bike feels / turns!

As said, take things in small increments just incase Thumbs Up
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noobRider
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PostPosted: 22:30 - 15 Dec 2012    Post subject: Reply with quote

keggyhander wrote:
Noobs buy bikes that fit them. Pros make bikes fit them.
Laughing
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kawashima
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PostPosted: 05:17 - 16 Dec 2012    Post subject: Reply with quote

While searching for handlebars online, I found this set back bar riser.
I've decided to go for this one and ordered.
This seems to be minimum risk and enough effect.
I really appreciate your advices. Thumbs Up
https://i21.photobucket.com/albums/b295/kawashima_/bar-riser.png
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Joe f
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PostPosted: 09:28 - 16 Dec 2012    Post subject: Reply with quote

Is there no room on the bars for chopping them down? I find its always best to go for small adjustments at a time.
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doggone
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PostPosted: 09:43 - 16 Dec 2012    Post subject: Reply with quote

Good choice, they look smart too Thumbs Up
You can easily fit different shaped bars quite cheaply later.
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kawashima
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PostPosted: 09:47 - 16 Dec 2012    Post subject: Reply with quote

Joe f wrote:
Is there no room on the bars for chopping them down? I find its always best to go for small adjustments at a time.

Joe f, thanks for your tip Thumbs Up There's enough room on the bar.
I will check if I can borrow a tool to cut it.
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