Handlebar follies

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David Lahey
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Re: Handlebar follies

Postby David Lahey » Sun Aug 07, 2011 8:40 pm

Yes the throttle cabe was a bit short with the higher bars. I think if it had a front pull twistgrip it would have been OK but it has a side-pull (Domino)
The front brake cable on that TY175 is a Venhill and it is still fine for length. Brake cable length may become an issue for people who slide the fork tubes down in the clamps.
The clutch cable on that TY175 is a chinese copy of a Yamaha DT175 cable and is also fine for length


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Re: Handlebar follies

Postby David Lahey » Mon Aug 08, 2011 6:59 pm

6' 6" tall test rider Mark Casswell trying out the high rise bars
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Re: Handlebar follies

Postby Mark K » Mon Aug 08, 2011 7:27 pm

Suddenly they don't look so big anymore.

How did he like the feel of it?

I don't have a straight side on picture of myself, but this is close enough to show how mine is by comparison.
(the posture is eased a little by the fact that its a bit more uphill than it looks)

Undulla 24 july 2011 114.jpg


The more I see the more I'm interested.



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Re: Handlebar follies

Postby David Lahey » Mon Aug 08, 2011 7:38 pm

Mark K, Mark C had a ride this arvo and liked those bars on the TY175. He has taken the other, higher set home to try out on his SWM
David


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Re: Handlebar follies

Postby Samy » Mon Aug 08, 2011 7:55 pm

David Lahey wrote:6' 6" tall test rider Mark Casswell trying out the high rise bars


That's a nice TY80 he's riding... oh wait a minute... :lol: :P :mrgreen: :wink:



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Re: Handlebar follies

Postby BOGWHEEL » Tue Aug 09, 2011 7:00 am

Even Sammy can't believe the size of those!!
Will be trying what seems to be getting popular o/s - shaving off the tiller arrangment and going to bar risers, (as per Manuel Soler pic). Would solve trying to get high enough bars, more direct feel, but not sure how the riding position would change things.
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Re: Handlebar follies

Postby David Lahey » Tue Aug 09, 2011 8:34 am

The thing that matters for riding ergonomics is where the handlebar handgrips are in relation to the steering axis. There are a few ways to get them in the right spot. Common mods to adapt for the non-availability of 1970s sized handlebars are moving the handlebar mounts upwards and/or forwards and/or lowering the footpegs. Of course lowering the footpegs also changes the C of G.
I like keeping my uncommon bikes just as they were made so people can experience riding them in that state. Thats why I want to use era-correct handlebars on those bikes.


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Re: Handlebar follies

Postby Reinald » Tue Aug 09, 2011 8:52 am

Thanks to Dave and his mate for doing up these prototypes.... the Ty is great with them for my 6 ft 4 frame on and I agree with Dave I'd rather a high bar than modifying anything....stock as a rock is my moto.

Its a tribute to the ty80 [errr175] that they can lug large Marks around trials sections...that are bloody brilliant bikes.

That snap of Sammy with is typical mouth open is just gold.


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Re: Handlebar follies

Postby David Lahey » Tue Aug 09, 2011 12:41 pm

Looking at that and other earlier photos of Sammy taken at the time, I reckon the bars on that Highboy 325 Bultaco are not quite as high rise as earlier photos taken when he was riding M49 and M27 Bultacos


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Re: Handlebar follies

Postby Reinald » Fri Aug 12, 2011 9:31 am

Tried the bars in the photo at start of this post on the SWM and they're very good.
Their rise is around 200mm thats approx. 8inch!!
Biggest improvements are less strain on lower back coupled with more room under the bars for my legs for ascents.
I've fitted a brace for strength as Dave suggests which detracts from the "ape hanger" look a bit but they still look a bit "out there" but only in terms of how different they look compared to modern low renthals/fatbars on twinshocks that you get used to. Checking out some Ossa 70s on the net and they had quite high bars and as Dave rightly points out era correct bars makes them pukka to ride.
Cables make it just and I cant feel any flex in the bars at all.

Hey Mark K you gotta try these ....best mod. yet to my bike in terms of ergonomics.


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