'zero reach' stem for 1.1/8 steerer

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531colin
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Re: 'zero reach' stem for 1.1/8 steerer

Postby 531colin » 15 Apr 2019, 6:34pm

Mick F wrote:Correct me if I'm wrong.

If a dropped 'bar bike had zero reach, would it handle correctly?
With the stem pointing forwards it gives stability as your hands would be forward of the steerer.

Could you in theory put the stem on backwards and there would be zero effect?
Somehow I think not.

Or am I wrong?
Willing to be educated here!

Where are the rider's hands?
If the rider has her hands on the tops because the reach is too long, and you shorten the reach so she is then comfortable with her hands on the hoods, if her hands are the same distance forward of the headset, then the steering is unaffected.
(If you ride no hands, the steering is the same whatever handlebars you have)

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531colin
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Re: 'zero reach' stem for 1.1/8 steerer

Postby 531colin » 15 Apr 2019, 6:36pm

zenitb wrote:Mick - most Fiets bikes have hands a long way back from the centreline of the steerer. No reports of mass casualties yet :-) :-) :-)

And a much slacker head angle, and longer trail

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gaz
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Re: 'zero reach' stem for 1.1/8 steerer

Postby gaz » 15 Apr 2019, 7:42pm

Mick F wrote:Could you in theory put the stem on backwards and there would be zero effect?
Somehow I think not.

CJ's covered that before, here.
Hand wash only. Do not iron.

ratherbeintobago
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Re: 'zero reach' stem for 1.1/8 steerer

Postby ratherbeintobago » 15 Apr 2019, 8:50pm

Mondraker used to make a very short stem (something like 10mm) but this was at the expense of increasing stack height as the bars effectively sit on top of the steerer.

Blackredgold1964
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Re: 'zero reach' stem for 1.1/8 steerer

Postby Blackredgold1964 » 16 Apr 2019, 1:38pm

PT1029 wrote:NB See sales section :-
viewtopic.php?f=32&t=128888
A short stem available, 1 1/8 X 31.8 bar diameter.

Thanks, PT1029, just ordered a stem with that spec before seeing your post.

Blackredgold1964
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Re: 'zero reach' stem for 1.1/8 steerer

Postby Blackredgold1964 » 16 Apr 2019, 1:41pm

zenitb wrote:
Blackredgold1964 wrote:Hi BRG..to clarify the Acor Double Bracket attaches to the existing stem not the steerer so is not dependent on steerer width. ..

understood, zenitb, Thanks.

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Re: 'zero reach' stem for 1.1/8 steerer

Postby Blackredgold1964 » 16 Apr 2019, 1:49pm

531colin wrote:
horizon wrote:women's specific design,...

thanks for the explanations, 531 colin and horizon. I've not read through all the links but would like to contribute that I believe that 559 wheels are much better for smaller people. My wife of 5.2" even has a beautiful Roberts built audax bike around 15 years old but swears she needs a lighter bike for her upcoming half triathlon (after all, all of her friends have ridiculously lightweight carbon bikes). That's how she got the Specialised for Xmas. It is indeed quite a bit lighter but then I have to fiddle around with comfort again ... However, she is quite fast on it I have to admit

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Mick F
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Re: 'zero reach' stem for 1.1/8 steerer

Postby Mick F » 16 Apr 2019, 8:52pm

Excellent info! :D

I was wrong. Fine, I asked to be corrected if I was.
Mick F. Cornwall

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531colin
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Re: 'zero reach' stem for 1.1/8 steerer

Postby 531colin » 16 Apr 2019, 9:30pm

Blackredgold1964 wrote:... I believe that 559 wheels are much better for smaller people. My wife of 5.2" even has a beautiful Roberts..


Not "much" better. Maybe a bit better, depending on the rest of the design.
For example, if you stick with the 72 degree head angle common in 700c Audax type bikes, because the wheel is smaller you need less fork offset for the same trail....less fork offset = either longer reach or shorter front centre. https://en.wikipedia.org/wiki/Bicycle_and_motorcycle_geometry